The Subfamily Rhododendroideae is a member of the Family Dryopteridaceae. Here is the complete "parentage" of Rhododendroideae:
- Domain: Eukaryota
Whittaker & Margulis,1978 - eukaryotes
- Kingdom: Plantae
Haeckel, 1866 - Plants
- Subkingdom: Viridaeplantae
Cavalier-Smith, 1981 - Green Plants
- Phylum: Tracheophyta Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
- Subkingdom: Viridaeplantae Cavalier-Smith, 1981 - Green Plants
- Kingdom: Plantae Haeckel, 1866 - Plants
The Subfamily Rhododendroideae is further organized into finer groupings including:
- Tribe (71): Abutilieae · Aethionemeae · Alysseae · Amaryllideae · Aptandreae · Arabideae · Bougainvilleeae · Brassiceae · Burchardieae · Buxeae · Callicarpeae · Chorisporeae · Cisteae · Cochlearieae · Colchiceae · Colletieae · Convolvuleae · Crataegeae &m iddot; Diapensieae · Dioeae · Dorstenieae · Eichhornieae · Elytrantheae · Encephalarteae · Eucharideae · Eucryphieae · Eustephieae · Exochordeae · Flacourtieae · Galantheae · Gentianeae · Geranieae · Gethyllideae · Haemantheae · Heliophileae · Hemimerideae · Hippeastreae · Hyacintheae · Jasmineae · Lagerstroemieae · Lantaneae · Laureae · Lavanduleae · Leucophylleae · Linnaeeae · Lycorideae · Lythreae · Manuleeae · Neillieae · Oleeae · Ophiopogoneae · Parietarieae · Patrinieae · Pedalieae · Perseeae · Phyliceae · Phyllachneae · Phyllodoceae · Pyreae · Rhamneae · Rhododendreae · Robinieae · Saliceae · Sesameae · Smelowskieae · Stenomesseae · Tecophilaeeae · Thlaspideae · Urticeae · Uvularieae · Verbeneae
- Subtribe (5): Fraxininae · Gentianinae · Laeliinae · Oleinae · Swertiinae
- Alliance (1): Epidendrum
- Genus (288): Abelia · Abutilon · Acidanthera · Aeranthes · Aethionema · Agapetes · Albuca · Allardia · Alonsoa · Aloysia · Alsophila · Amarygia · Amaryllis · Ampelocalamus · Anguloa · Anisodontea · Anthogonium · Apodolirion · Arisarum · Aristotelia · Aronia · Asarina · Asphodeline · Asphodelus · Astilbe · Astydamia · Athyrium · Aubrieta · Averrhoa · Azalea · Azara · Azolla · Beilschmiedia · Bellevalia · Bellium · Berchemia · Bergenia · Bessera · Bomarea · Bougainvillea · Bracteantha · Brahea · Bravoa · Brigandra · Brunonia · Brunsvigia · Bulbinella · Burchardia · Buxus · Byblis · Calamintha · Calandrinia · Calceolaria · Callicarpa · Calystegia · Campsidium · Centrolepis · Ceratotheca · Cheirolophus · Chionodoxa · Chionohebe · Chitalpa · Chorispora · Cimicifuga · Cistus · Clivia · Cnidium · Cochlearia · Codonopsis · Colchicum · Colletia · Conanthera · Conocephalum · Corallocarpus · Coriaria · Cornus · Corokia · Crawfurdia · Cromidon · Cryptocarya · Cuitlauzina · Culcita · Cyanella · Cymbalaria · Cyrtanthus · Cyrtomium · Daphniphyllum · Davallia · Dianella · Diascia · Dicksonia · Dioon · Diostea · Dipcadi · Disphyma · Disporum · Doritis · Dorstenia · Dracaena · Dryadella · Echidnopsis · Eichhornia · Elegia · Elytranthe · Elytropus · Ematis · Epidendrum · Eremaea · Eremurus · Erinus · Ervatamia · Eucryphia · Eureiandra · Fatshedera · Fibigia · Fraxinus · Galanthus · Geranium · Girardinia · Glaucium · Glumicalyx · Gomortega · Goodenia · Guindilia · Gynoglottis · Gynostemma · Haemanthus · Halenia · Halesia · Halimium · Halleria · Heliophila · Heptacodium · Heuchera · Heucherella · Himantoglossum · Hippeastrum · Hippophae · Hosta · Houttuynia · Humboldtia · Humulus · Huntleya · Hypoestes · Iphigenia · Isoplexis · Itasina · Junellia · Juniperus · Kageneckia · Klainedoxa · Kniphofia · Laccospadix · Lagerstroemia · Lastreopsis · Ledum · Leiophyllum · Lepidozamia · Leptarrhena · Leucadendron · Leucophyllum · Lichtensteinia · Lindelofia · Liriope · Litsea · Lophosoria · Lycoris · Macropiper · Mahonia · Marchantia · Megaphrynium · Melandrium · Melanoselinum · Melianthus · Mendoncella · Menodora · Merendera · Mespilus · Moricandia · Mukdenia · Myricaria · Nemesia · Nerine · Nesiota · Nothofagus · Nyssa · Odontioda · Omphalodes · Ongokea · Oreorchis · Ornithochilus · Osmanthus · Ourisia · Papilionanthe · Parahebe · Paraphalaenopsis · Pardoglossum · Patrinia · Peganum · Pellionia · Pericallis · Phaedranassa · Phalocallis · Philotheca · Photinia · Phygelius · Phylica · Phyllachne · Phyllocladus · Pleioblastus · Pleurophora · Podanthus · Pogonatherum · Polystichum · Pomax · Pritzelago · Proustia · Prumnopitys · Pterocephalus · Pycnanthus · Ramonda · Regelia · Rhinephyllum · Rhodanthemum · Rhodohypoxis · Rhodophiala · Rhombophyllum · Rhynchoglossum · Rhyncholaelia · Riedelia · Rigidella · Riocreuxia · Ripogonum · Robiquetia · Rodgersia · Rossioglossum · Rracenia · Salix · Scadoxus · Schisandra · Schoenorchis · Schomburgkia · Selinum · Sequoia · Seriphidium · Shortia · Silaum · Sinapidendron · Sinojackia · Smelowskia · Soleirolia · Solidaster · Stachyurus · Staudtia · Stegnogramma · Stemmacantha · Stenocoelium · Stenomesson · Stephanandra · Struthiopteris · Swertia · Syncarpha · Tamus · Tecomanthe · Tecophilaea · Tellima · Tetradium · Thamnocalamus · Thamnochortus · Thlaspi · Tiarella · Trichocalyx · Trieenea · Tristellateia · Tsusiophyllum · Tylecodon · Uncarina · Urceolina · Urginea · Villarsia · Welwitschia · Wendtia · Wissmannia · Wittrockia · Xanthorrhoea · Ypsilandra · Yushania · Zelkova
- Species: ZipcodeZoo has pages for 923 species, subspecies, varieties, forms, and cultivars in the Subfamily Rhododendroideae.
Abutilon () is a large genus of approximately 150 species of broadleaf evergreens in the mallow family, Malvaceae. The genus includes annuals, perennials, shrubs, and small trees from 1?10 m tall, and is found in the tropical and subtropical regions of all continents. The leaves are alternate, unlobed or palmately lobed with 3-7 lobes. The flowers are conspicuous, with five petals, mostly red, pink, orange, yellow or white. [more]
Gladiolus (from Latin, the diminutive of gladius, a sword) is a genus of perennial bulbous flowering plants in the iris family (Iridaceae). Sometimes called the sword lily, the most widely used English common name for these plants is simply gladiolus (plural gladioli, gladioluses or sometimes gladiolas). [more]
Aeranthes, abbreviated Aerth in the horticultural trade, is an orchid genus with 47 species, mostly from shady, tropical humid forests in Zimbabwe, Madagascar and islands in the Western Indian Ocean. The name "aeranthes" means 'aerial flower', because it grows high in the air. [more]
Aethionema is a genus of flowering plants, within the family Brassicaceae, subfamily . The genus is collectively known as the stonecresses. [more]
Agapetes is a semi-climbing shrub genus native to the Himalayas, grown as an ornamental for its attractive pendulous benches of red tubular flowers blooming over a long period. It is mostly grown in climates from cool temperate to sub-tropical. Propagation is from cuttings. [more]
Albuca is a genus of plants in the family Asparagaceae, subfamily Scilloideae. Most of the 100-140 species of bulbous plants in this genus are endemic to Southern Africa. [more]
Allardia is a genus of flowering plants in the daisy family. [more]
Alonsoa (Mask flower) is a genus of 12 species of flowering plants in the family Scrophulariaceae, the figwort family. The genus includes both herbaceous and shrubby species. [more]
Aloysia is a genus of flowering plants in the verbena family, Verbenaceae. The roughly 35 species of aromatic shrubs it contains are generally known as beebrushes, with the most well-known being Lemon Verbena (A. citrodora). The genus is named for Maria Luisa of Parma (1751-1819), wife of King Charles IV of Spain. [more]
Alsophila can mean: [more]
Amaryllis " class="IPA">/?m?'r?l?s/) is a small genus of flowering bulbs, with two species. The better known of the two, Amaryllis belladonna, is a native of South Africa, particularly the rocky southwest region near the Cape. For many years there was confusion amongst botanists over the generic names Amaryllis and Hippeastrum, one result of which is that the common name "amaryllis" is mainly used for cultivars of the genus Hippeastrum, widely sold in the winter months for their ability to bloom indoors. Plants of the genus Amaryllis are known as belladonna lily, naked lady, or amarillo. [more]
Ampelocalamus is a genus of bamboo (tribe Bambuseae of the family Poaceae). It comprises small clumping tropical bamboos found mostly in Southern China. Some experts have placed these species in the genus Sinarundinaria, now replaced by Chimonocalamus. [more]
Anguloa, commonly known as tulip orchids, is a small orchid genus closely related to Lycaste. Its abbreviation in horticulture is Ang. This genus was described by Jos? Antonio Pav?n and Hip?lito Ruiz L?pez in 1798. They named it in honor of , a contemporary Peruvian who collected orchids as a hobby and by this way had become quite knowledgeable about these plants, assisting the botanists in their work. [more]
Anisodontea is a genus in the tribe Malveae in the family Malvaceae. It comprises twenty-one species native to South Africa. Members of the genus typically bear toothed leaves with three or five palmate, uneven lobes. Members of the genus also typically bear flowers with a pubescent calyx, a five-petaled corolla streaked from the center and pink to magenta in color, and stamens with anthers of a dark color. [more]
Anthogonium is a genus of orchids (family Orchidaceae), comprising one species found in the Himalayan region and China. [more]
Apodolirion is a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae). It consists of 6 species distributed in South Africa. The name Apodolirion cames from the Greek and means "stemless flower" and describes the fact that these species have almost sessile flowers. [more]
Arisarum is a genus of flowering plants in the Araceae family. There are 3 species of plants in this genus namely: [more]
Aristotelia is a genus of moth in the family . [more]
Aronia, the chokeberries, are two to three species of deciduous shrubs in the family Rosaceae, native to eastern North America. They are most commonly found in wet woods and swamps. Chokeberries are cultivated as ornamental plants and also because they are very high in antioxidant pigment compounds, like anthocyanins. The name "chokeberry" comes from the astringency of the fruits, which are inedible when raw. The berries can be used to make wine, jam, syrup, juice, soft spreads, tea and tinctures. The fruits are eaten by birds, which then disperse the seeds in their droppings; birds do not taste astringency and feed on them freely. [more]
Asarina is a genus comprising 16 species of strongly sprawling or twining perennials, native to Mexico, southwestern USA, and southern Europe. Originally placed in the Scrophulariaceae (figwort family), they have more recently been moved to the Plantaginaceae (plantain family). Leaves are often triangular, toothed, downy and hairy with twining flower stalks. Flowers are attractive trumpet-shaped with broad green sepals and pale throat-spotted corolla in varying sizes, resemble snapdragons, and may be white, yellow, pink, purple, and shades in between. Some species are often placed in the genus Maurandya. [more]
Asphodeline is a genus of perennial plants in the family Xanthorrhoeaceae, subfamily Asphodeloideae. From the Mediterranean, it has fleshy roots and fragrant, starry flowers that are yellow in May to June. It grows up to 4 ft in well-drained soil. Its foliage is blue-green and grassy, with tall, narrow flower spikes. It takes at least three years before newly-planted seedlings flower. The yellow flowers always make an interesting addition to the late-spring garden. The individual flowers on the spikes open in a seemingly random order, and do not last long, being replaced quickly by other flowers. [more]
Asphodelus is a genus of mainly perennial plants native to western, central and southern Europe, but now spread worldwide. Asphodels are popular garden plants, which grow in well-drained soils with abundant natural light. Now placed in the family Xanthorrhoeaceae, subfamily Asphodeloideae, like many lilioid monocots, the genus was formerly placed in the lily family (Liliaceae). [more]
Astilbe () is a genus of 18 species of perennial, herbaceous flowering plants, within the family Saxifragaceae. Some species are commonly known as False Goat's Beard, and False Spirea. Astilbe species are native to Asia and North America. [more]
Astydamia is a genus of flowering plant in the Apiaceae, with 2 species. It is endemic to Northwest Africa. [more]
Athyrium (Lady-fern) is a genus of about 180 species of terrestrial ferns, with a cosmopolitan distribution. [more]
Aubrieta (also Aubretia) is a genus of about 12 species of flowering plants in the cabbage family Brassicaceae. The genus is named after Claude Aubriet, a French flower-painter. It originates from southern Europe east to central Asia but is now a common garden escape throughout Europe. It is a low, spreading plant, hardy, evergreen and perennial, with small violet, pink or white flowers, and inhabits rocks and banks. It prefers light, well-drained soil, is tolerant of a wide pH range, and can grow in partial shade or full sun. [more]
Averrhoa is a genus of trees in the Oxalidaceae family, of the Oxalidales order, named after Averroes - a 12th century astronomer and philosopher from Al-Andalus. [more]
Azolla (mosquito fern, duckweed fern, fairy moss, water fern) is a genus of seven species of aquatic ferns in the family Salviniaceae. They are extremely reduced in form and specialized, looking nothing like conventional ferns but more resembling duckweed or some mosses. [more]
Beilschmiedia is a genus of and shrubs in family Lauraceae. Most of species grow in tropical climates but few of them are native to temperate regions, they are widespread in tropical Asia, Africa, Australia, New Zealand, Central America, the Caribbean and South America as south as Chile. The best known species in Europe and the United States are the Chilean B. berterona and B. miersii because of their frost tolerance. Seeds of B. bancroftii were used as a source of food by Australian Aborigines. Timbers of some species are very valuable. [more]
Bellevalia is a genus of plants in the . [more]
Berchemia is a genus of plants in the family Rhamnaceae, named after Dutch botanist Berthout van Berchem. They are climbing plants or small to medium-sized trees that occur in Africa, Asia and America. [more]
Bergenia is a genus of ten species of flowering plants in the family Saxifragaceae, native to central Asia, from Afghanistan to China and the Himalaya. They are evergreen perennial plants with a spirally arranged rosette of leaves 6-35 cm long and 4-15 cm broad, and pink flowers produced in a cyme. [more]
Bessera is a genus of plants in the Themidaceae family Also placed in: Alliaceae or Liliaceae. [more]
Bomarea is one of the two major in the plant family Alstroemeriaceae. Most occur in the Andes. Several species are occasionally found as garden plants. [more]
Bougainvillea () is a genus of flowering plants native to South America from Brazil west to Peru and south to southern Argentina (Chubut Province). Different authors accept between four and 18 species in the genus. The plant was first described by Philibert Commer?on, a French botanist accompanying French Navy admiral and explorer Louis Antoine de Bougainville during his voyage of circumnavigation, and first published for him by Antoine Laurent de Jussieu in 1789. It is possible that the plants were first discovered by Jeanne Bar?, Commer?on's lover and assistant whom he snuck on board (despite regulations) disguised as a man (and who thus became the first woman to circumnavigate the globe). [more]
Xerochrysum ( Bracteantha) is a genus of five species of flowering plants native to Australia. [more]
Brahea is a of palms in the Arecaceae family. They are commonly referred to as Hesper Palms and are endemic to Mexico and Central America. All Hesper Palms have large, fan-shaped leaves. There are 11 species described in the genus as follows: [more]
Bravoa is an genus of Agavaceae family. [more]
The blue pincushion (Brunonia australis), also known as Native Cornflower, is a perennial herbaceous plant that grows widely across Australia. It is found in woodlands, open forest and sand plains. In the Cronquist system's classification scheme it was the sole member of the monogenetic plant family Brunoniaceae before the APG II system moved it into Goodeniaceae. [more]
Brunsvigia is a flowering plant genus in the family Amaryllidaceae, subfamily Amaryllidoideae. It contains about 20 species native to South Africa. [more]
Bulbinella is a genus of which are most commonly taxonomically allocated to the family Asphodelaceae. [more]
Buxus is a genus of about 70 species in the family Buxaceae. Common names include box (majority of English-speaking countries) or boxwood (North America). [more]
Calamintha is a genus of plants that belongs to the family Lamiaceae. There are about thirty species in the genus which is native to the northern temperate regions of Europe and Asia. [more]
The plant genus Calandrinia contains many species of purslane, including the redmaids. The genus was named for Jean Louis Calandrini, an 18th century Swiss botanist. It includes around 150 species of annual herbs which bear colorful flowers in shades of red to purple and white. Plants of this genus are native to Australia, Chile, and western North America. [more]
Calceolaria L. (), also called Lady's purse, Slipper flower and Pocketbook flower, or Slipperwort, is a genus of plants in the Calceolariaceae family, sometimes classified in Scrophulariaceae by some authors. This genus consists of about 388 species of shrubs, lianas and herbs, and the geographic range extends from Patagonia to central Mexico, with its distribution centre in Andean region. Calceolaria in Latin means shoemaker. [more]
Beautyberry (Callicarpa) is a genus of shrubs and small trees in the family Verbenaceae; between 40-150 species are accepted by different botanists. They are native to east and southeast Asia (where the majority of the species occur), Australia, southeast North America and Central America. [more]
Calystegia (bindweed, false bindweed, or morning glory) is a genus of about 25 species of flowering plants in the bindweed family Convolvulaceae. The genus has a cosmopolitan distribution in temperate and subtropical regions, but with half of the species endemic to California. They are annual or herbaceous perennial twining vines growing to 1-5 m tall, with spirally arranged leaves. The flowers are trumpet-shaped, 3-10 cm diameter, white or pink, with a sometimes inflated basal calyx. [more]
Centrolepis is a genus of small herbaceous plants in the family Centrolepidaceae known as thorn grass scales, with about 25 species native to Australia, New Zealand, and south-east Asia extending to Hainan Dao. [more]
The Maltese Centaury or Maltese Rock-centaury (Cheirolophus crassifolius) is a species of in the Asteraceae family. It is monotypic within the genus Cheirolophus. It is the national plant of Malta, where it is endemic. Its natural habitats are Mediterranean-type shrubby vegetation and rocky shores. It is threatened by habitat loss. [more]
Chionodoxa (Glory-of-the-snow) is a genus of eight bulbous perennials in the family Hyacinthaceae. The blue, white or pink flowers appear early in the year making them valuable garden ornamentals. [more]
Herbs annual or perennial. Trichomes stalked, glandular, mixed with eglandular simple ones. Stems leafy or not. Basal leaves petiolate, rosulate or not, sinuate-dentate, pinnatifid, or pinnatisect, rarely entire. Cauline leaves absent or shortly petiolate, not auriculate, similar to basal ones. Racemes ebracteate, elongated in fruit, rarely flowers solitary on long pedicels from axils of rosette leaves. Sepals ovate, oblong, or linear, erect, base of lateral pair strongly saccate. Petals yellow or purple or lavender, much longer than sepals; blade broadly obovate, obcordate or rarely oblanceolate, apex emarginate or rarely obtuse; claws strongly differentiated from blade. Stamens 6, strongly tetradynamous; filaments not dilated at base; anthers narrowly oblong or linear, obtuse at apex. Nectar glands 2 or 4, lateral, intrastaminal or 1 on each side of lateral stamen; median glands absent. Ovules (5-) 10-25(-30) per ovary. Fruit breaking into 1-seeded units, lomentaceous, linear, terete, sessile, slightly to strongly torulose or submoniliform; units indehiscent, with a thick corky or woody wall; replum flattened, persisting after segments fall off; septum becoming corky and splitting at middle; style 1.5-21 mm, beaklike; stigma conical, 2-lobed, lobes decurrent, strongly connivent. Seeds uniseriate, wingless, oblong; not mucilaginous when wetted; cotyledons accumbent. [more]
Cimicifuga (bugbane or cohosh) is a genus of between 12-18 species of flowering plants belonging to the family Ranunculaceae, native to temperate regions of the Northern Hemisphere. [more]
Clivia is a of monocot flowering plants native to southern Africa. They are from the family Amaryllidaceae. Common names include Kaffir lily and bush lily. [more]
Cnidium is a genus of flowering plant in the Apiaceae, native to Eurasia, Africa and North America. It has 4 or 5 species. [more]
Scurvy-grass (Cochlearia species; a.k.a. Scurvy grass, Scurvygrass, or Spoonwort) is a genus of about 30 species of annual and perennial herbs in the cabbage family Brassicaceae. They are widely distributed in temperate and arctic areas of the northern hemisphere, most commonly found in coastal regions, on cliff-tops and salt marshes where their high tolerance of salt enables them to avoid competition from larger, but less salt-tolerant plants; they also occur in alpine habitats in mountains and tundra. [more]
Codonopsis is a genus of flowering plant within the family Campanulaceae. It is allied to and Leptocodon, and some authors suggest that Codonopsis should include these genera. Without them, Codonopsis includes 55 species endemic to East Asia. [more]
Colchicum is a genus of flowering plants containing around sixty species of perennial plants which grow from corms. It is a member of family Colchicaceae, and is native to West Asia and part of the Mediterranean coast. [more]
Colletia is a genus of flowering plants in the family Rhamnaceae, with 15 to 17 species of spiny shrubs. All species of this genus are native to southern South America. They are non-legume nitrogen fixers. [more]
Conocephalum is a of liverworts in order Marchantiales. It is the only member of family Conocephalaceae within that order. This genus has worldwide distribution. [more]
Coriaria is the sole genus in the family Coriariaceae. It includes about 30 species of , shrubs and small trees, with a widespread but disjunct distribution across warm temperate regions of the world, occurring as far apart as the Mediterranean region, southern and eastern Asia, New Zealand (where there are some alpine species), the Pacific Ocean islands, and Central and South America. [more]
Corokia is a in the Argophyllaceae family comprising about ten species native to New Zealand and one native to Australia. Corokia species are shrubs or small trees with zigzagging branches. In fact, corokia cotoneaster is commonly known as wire-netting bush. The stems of the shrubs are dark when mature, covered with downy or silky hairs (tomentum) when young. In spring, they produce clusters of small, star shaped yellow blossoms. Berries are red or yellow. The shrubs prefer forests and rocky areas, sun or light shade, reasonably well drained soil, and moderate watering. [more]
Perennials, twining or rarely erect. Leaves opposite. Inflorescences terminal and axillary, 1 or 2-flowered or in cymes. Flowers 5merous. Calyx tube 10-veined. Corolla tubular, funnelform, or campanulate; plicae present. Stamens inserted on corolla tube, symmetric, equal. Nectaries 5 at ovary base. Ovary 1locular; ovules many. Fruit a capsule, many seeded. Seeds compressed, wings discoid. [more]
Cryptocarya is a of evergreen trees belonging to the Laurel family, Lauraceae. The genus includes more than 350 species, distributed through the Neotropic, Afrotropic, Indomalaya, and Australasia ecozones. [more]
Cymbalaria is a genus of about 10 species of perennial plants previously treated in the family Scrophulariaceae, but recently shown by genetic research to be in the much enlarged family Plantaginaceae. [more]
Cyrtomium is a genus of about 15-20 species of ferns in the family Dryopteridaceae, native to Asia, Africa (including Madagascar), and the Pacific Ocean islands (Hawaii). The genus is very closely related to the genus Polystichum, with recent research suggesting it should be included within it (Little & Barrington). [more]
Daphniphyllum is a genus of in the family Daphniphyllaceae, including about 25 species, all evergreen shrubs and trees native to east and southeast Asia. In older classifications the genus was treated in the family Euphorbiaceae. [more]
Davallia (deersfoot fern, hare's foot fern) is a genus of about 40 species of ferns in the family Davalliaceae. They are epiphytic ferns, with fronds arising from long aerial rhizomes which grow on and over thick bark on trees or on rock crevices. [more]
Dianella refers to [more]
Dicksonia is a genus of tree ferns in the order Cyatheales. It is regarded as related to Cyathea, but is considered more primitive, dating back at least to the Jurassic and Cretaceous periods. The fossil record includes stems, pinnules, and spores. [more]
Dioon is a plant of 14 described species. They are cycads in the family Zamiaceae, and native to Mexico, Honduras, and Nicaragua. Their habitats include tropical forests, pine-oak forest, and dry hillsides, canyons and coastal dunes. In North America, the Dioon can be seen growing from southern Florida up to Savannah,Georgia. [more]
Disporum is a genus of perennial flowering plants in the family Colchicaceae. [more]
Herbs, perennial, rhizomatous; stems short, fleshy, aerial stems not evident; sap milky. Leaves alternate; stipules persistent, free. Leaf blade ovate to orbiculate, margins entire or pinnately lobed; venation palmate near base of blade, otherwise pinnate. Inflorescences axillary, flowers embedded in long-pedunculate, flat receptacle. Flowers: staminate and pistillate on same plant. Staminate flowers: calyx minute, 2-3-lobed; stamens 1-3, inflexed in bud. Pistillate flowers: calyx tubular, 4-lobed; ovary inferior, embedded in receptacle, 1-locular; style 2-branched. Syncarps disc- or cup-shaped; drupes embedded in enlarged, fleshy, common receptacle. Seeds explosively expelled. [more]
Dracaena can mean: [more]
Dryadella is a of miniature orchids, formerly included in the genus Masdevallia. Plants are typically composed of a tuft of leaves from 3 to 6 cm long. The small (1-2 cm) flowers are often conspicuously spotted, and are borne at the base of the leaves. There are about 40 species, distributed from southern Mexico to southern Brazil and northern Argentina. In cultivation many of the species seem to respond well to being grown on cork or treefern rather than in pots. The attractive species Dryadella edwallii, commonly known as 'Partridge in the Grass' can be easily grown into a spectacular specimen plant, full of flowers. [more]
The seven species of water hyacinths comprise the genus Eichhornia of free-floating perennial aquatic plants native to tropical South America. With broad, thick and glossy ovate leaves, water hyacinths may rise some 1 metre in height. The leaves are 10-20 cm across, supported above the water surface by long, spongy and bulbous stalks. The feathery, freely hanging roots are purplish black. An erect stalk supports a single spike of 8-15 conspicuously attractive flowers, mostly lavender to pinkish in color with six petals. When not in bloom, water hyacinth may be mistaken for frog's-bit (Limnobium spongia). [more]
Shrubs parasitic, glabrous. Leaves opposite; leaf blade leathery, pinnately veined. Inflorescences axillary, of spikes; flowers few, large, crowded, inserted in hollows on short, stout rachis; 1 bract and 2 bracteoles subtending each flower, bracts and bracteoles subequal, leathery, sheathing the base of the calyx or the corolla, bract keeled, bracteoles distinct. Flowers bisexual, 6-merous. Calyx ovoid or cylindric, limb annular or cupular, persistent. Mature flower bud tubular. Corolla sympetalous, tube dilated, usually 6-keeled in middle portion; lobes reflexed or slightly twisted. Filaments subulate; anthers 4-loculed, sometimes multilocellate; pollen grain semilobate in polar view. Ovary at first 3-loculed, then 1-loculed; placentation free, central. Style filiform, base articulated; stigma capitate. Berry ellipsoid or ovoid. [more]
Epidendrum (), abbreviated Epi in the horticultural trade, is a large neotropical genus of the orchid family. With more than 1,100 species, some authors describe it as a mega-genus. The genus name (from Greek ?p?, epi and d??d???, dendron, "upon trees") refers to its epiphytic growth habit. [more]
Herbs perennial, with vertical, short, stout rhizome, surrounded at neck by leaf bases and sometimes also fibers from old, disintegrated leaf bases. Roots numerous, long, thickened, fleshy. Leaves several, all basal, tufted, linear. Scape simple, erect, exceeding leaves, with sterile bracts distally and a terminal raceme. Raceme usually densely many flowered, usually elongate in fruit; bracts membranous, margin often minutely serrulate, fimbriate, or ciliate, apex often long filiform acuminate. Flowers bisexual, 1 per bract axil, pedicellate; pedicel articulate or not. Perianth campanulate, tubular, or cupular; segments 6, free or connate at base, with 1, 3, or 5 veins. Stamens 6, often exserted; filaments filiform or dilated toward base; anthers dorsifixed near base, base with 2 lobes to 0.5 mm. Ovary 3-loculed; seeds several per locule. Style filiform, long, often conspicuously persistent in fruit; stigma very small. Fruit a capsule, globose or subglobose, loculicidal. Seeds irregularly 3-angled, sometimes winged along angles. [more]
Erinus is a genus of plants in the family Plantaginaceae (previously in the family Scrophulariaceae). Some members of the genus have been cultivated as ornamental plants , particularly Erinus alpinus for which a number of different cultivars are available. [more]
Shrubs or small trees, usually with milky latex. Leaves opposite, membranous or coriaceous, penninerved, eglandular or somewhat glandular in axil; petiole ± perfoliate. Inflorescence axillary or terminal 1-many flowered compound cymes. Calyx 5-lobed, lobes equal, usually with glands within. Corolla salverform, 5-lobed, lobes overlapping to the left in bud tube straight and cylindrical, without appendages. Stamens 5, included or exserted, attached in the middle or above the middle of the corolla tube, not united with stigma, connectives not enlarged. Disc shallow or absent. Carpels free; ovary superior, ovules many, stigma capitate or pentagonal. Follicles ovoid, oblong or reniform. Seeds numerous, ovoid or oblong. [more]
Eucryphia is a small genus of trees or large shrubs of the Antarctic flora, native to the south temperate regions of South America and coastal eastern Australia. Traditionally placed in a family of their own, the Eucryphiaceae, more recent classifications place them in the Cunoniaceae. There are seven species, two in South America and five in Australia, and several named hybrids. They are mostly evergreen though one species (E. glutinosa) is usually deciduous. [more]
Eureiandra is a genus of in family Cucurbitaceae. [more]
Fraxinus () is a genus of flowering plants in the olive and lilac family, Oleaceae. It contains 45-65 species of usually medium to large trees, mostly deciduous though a few subtropical species are evergreen. The tree's common English name, ash, goes back to the Old English ?sc, while the generic name originated in Latin. Both words also meant "spear" in their respective languages. The leaves are opposite (rarely in whorls of three), and mostly pinnately compound, simple in a few species. The seeds, popularly known as keys or helicopter seeds, are a type of fruit known as a samara. Rowans or Mountain Ashes are unrelated to true ashes and belong to the Genus Sorbus though the leaves and buds are superficially similar. [more]
Galanthus (Snowdrop; Greek g?la "milk", ?nthos "flower") is a small genus of about 20 species of bulbous herbaceous plants in the family Amaryllidaceae, subfamily Amaryllidoideae. Most flower in winter, before the vernal equinox (20 or 21 March in the Northern Hemisphere), but certain species flower in early spring and late autumn. [more]
Geranium is a genus of 422 species of flowering annual, biennial, and perennial plants that are commonly known as the cranesbills. It is found throughout the temperate regions of the world and the mountains of the tropics, but mostly in the eastern part of the Mediterranean region. The long, palmately cleft leaves are broadly circular in form. The flowers have 5 petals and are colored white, pink, purple or blue, often with distinctive veining. Geraniums will grow in any soil as long as it is not waterlogged. Propagation is by semi-ripe cuttings in summer, by seed, or by division in autumn or spring. [more]
Herbs annual or perennial, armed with stinging hairs. Stems sympodial, upper stem often zigzig, often 5-angled. Leaves alternate, petiolate; stipules caducous, intrapetiolar, connate, often broad, foliaceous; leaf blade 3-veined, margin dentate or lobed; cystoliths punctiform. Inflorescences in axillary pairs or solitary, cymes, panicles or spikes, unisexual (plants monoecious or dioecious) ; male inflorescence often long, flowers clustered on rachis of spikes, dichotomous cymes, or panicles; female glomerules lax or dense on rachis of scorpioid cymes, spikes, or panicles. Male flowers: perianth lobes 4 or 5, valvate; filaments inflexed in bud; rudimentary ovary conspicuous. Female flowers: perianth lobes 4, 2 or 3 lobes connate into a tube, 2 or 3-toothed, split to base on 1 side, sometimes also with a small bristle-like segment; staminodes absent. Ovary straight, ovoid; stigma subulate, papillose on 1 side; ovule orthotropous. Achene often large, slightly oblique, often compressed, verrucose; persistent stigma usually reflexed; pedicels simple or swollen. Seeds with thin or no endosperm; cotyledons broad. [more]
Glaucium (Horned Poppy) is a genus of about 25 species of annual, biennial or perennial herbaceous flowering plants in the family Papaveraceae, native to Europe, north Africa, and southwest and central Asia. The species commonly occur in saline habitats, including coasts and salt pans. [more]
Gomortega keule (syn. G. nitida; names Keule, Queule and Hualhual) is a tree native to Chile. It is the sole species of the genus Gomortega and, according to the APG II system of 2003 (unchanged from the APG system of 1998), of the monotypic family Gomortegaceae, assigned to the order Laurales in the clade magnoliids. [more]
Goodenia is a genus consisting of 179 species of flowering plants. The name was published in 1793 by James Edward Smith in honour of the Bishop of Carlisle Samuel Goodenough. Goodenough was also a botanist and member of the Linnean Society. [more]
Haemanthus is a Southern African genus of Amaryllidaceae, subfamily Amaryllidoideae, with some 22 known species, endemic to South Africa, Namibia and the kingdoms of Lesotho and Swaziland. About 15 species occur in the winter rainfall region of Namaqualand and the Western Cape, the remainder being found in the summer rainfall region, with one species Haemanthus albiflos occurring in both regions. [more]
Halenia is a genus of plant in family Gentianaceae. It contains the following species (but this list may be incomplete): [more]
Halesia ( which is named after Stephen Hales ) , also known as (Silverbell or Snowdrop Tree) is a small genus of four or five species of deciduous large shrubs or small trees in the family Styracaceae, native to eastern Asia (southeast China) and eastern North America (southern Ontario, Canada south to Florida and eastern Texas, United States). They grow to 5-20 m tall (rarely to 39 m), and have alternate, simple ovate leaves 5-16 cm long and 3-8 cm broad. The flowers are pendulous, white or pale pink, produced in open clusters of 2-6 together, each flower 1-3 cm long. The fruit is an oblong dry drupe 2-4 cm long, with two or four narrow longitudinal ribs or wings. [more]
Halimium (rockrose or halimium) is a genus of 12 species of evergreen or semi-evergreen subshrubs in the family Cistaceae, closely related to Helianthemum. They are native to Europe, North Africa and Asia Minor, with the centre of diversity in the western Mediterranean region. [more]
Club-pointed Heliophila (Heliophila coronopifolia) is the only member of the Heliophila within the flowering plant in the Brassicaceae family. In addition, some species of this genus are used like a ornamental plants. [more]
Heptacodium is a genus of in family Caprifoliaceae. It contains the following species (but this list may be incomplete): [more]
The genus Heuchera () includes at least 50 species of herbaceous perennial plants in the family Saxifragaceae, all native to North America. Common names include alumroot and coral bells. They have palmately lobed leaves on long petioles, and a thick, woody rootstock. The genus was named after Johann Heinrich von Heucher (1677?1746), an 18th century German physician. [more]
Hippeastrum is a genus of about 90 species and 600+ hybrids and cultivars of bulbous plants in the family Amaryllidaceae, subfamily Amaryllidoideae, native to tropical and subtropical regions of the Americas from Argentina north to Mexico and the Caribbean. Some species are grown for their large showy flowers. For many years there was confusion amongst botanists over the generic names Amaryllis and Hippeastrum, one result of which is that the common name "amaryllis" is mainly used for cultivars of this genus, which are widely used as indoor flowering bulbs. The generic name Amaryllis applies to bulbs from South Africa, usually grown outdoors. [more]
The sea-buckthorns (Hippophae L.) are deciduous shrubs in the genus Hippophae, family Elaeagnaceae. The name sea-buckthorn is hyphenated here to avoid confusion with the buckthorns (Rhamnus, family Rhamnaceae). It is also referred to as sandthorn, sallowthorn, or seaberry. [more]
Hosta (, syn.: Funkia) is a genus of about 23?45 species of lily-like plants in the family Asparagaceae, subfamily Agavoideae, native to northeast Asia. They have been placed in their own family, Hostaceae (or Funkiaceae); like many 'lilioid monocots', they were once classified in the Liliaceae. The scientific name is also used as the common name; in the past they were also sometimes called the Corfu Lily, the Day Lily, or the Plantain lily, but these terms are now obsolete. The name Hosta is in honor of the Austrian botanist Nicholas Thomas Host. The Japanese name Giboshi is also used in English to a small extent. The rejected generic name Funkia, also used as a common name, can be found in some older literature. [more]
Herbs erect or ascending, rhizomatous. Stems longitudinally ridged and sulcate. Leaves entire; stipules membranous; petioles shorter than leaf blades. Inflorescence a terminal or leaf-opposed spike, with 4, rarely 6 or 8, white, petal-like involucral bracts at base. Flowers white when mature, small. Stamens 3, rarely 4, longer than styles; filaments ca. 3 × as long as anthers, basal part connate to ovary; anthers oblong. Pistils 3, 3-carpelled; carpels partly connate; ovary semi-inferior (flowers perigynous), 1-loculed; placentae 3, each with 6-9 ovules; styles 3, recurved. Capsule subglobose, dehiscent at apex. [more]
Humboldtia is a genus of in the Fabaceae family. It contains the following species: [more]
Humulus, Hop, is a small genus of flowering plants native to temperate regions of the Northern Hemisphere. The hop is part of the family Cannabaceae, which also includes the genera Cannabis (hemp), and Celtis (hackberries). [more]
Huntleya is a small orchid genus that includes fourteen species [more]
Isoplexis is a section of 4 species within the genus Digitalis. The species of section Isoplexis differ from other plants in the genus Digitalis in that their monosymmetric (sometimes called zygomorphic) flowers have a distinctive large upper lip rather than large lower lip and the species are endemic to the Canary Islands (the species D. canariensis, D. chalcantha, and D. isabelliana) and Madeira (D. sceptrum). [more]
Junipers are coniferous plants in the genus Juniperus () of the cypress family Cupressaceae. Depending on taxonomic viewpoint, there are between 50-67 species of juniper, widely distributed throughout the northern hemisphere, from the Arctic, south to tropical Africa in the Old World, and to the mountains of Central America. [more]
Kageneckia is a genus of in family Rosaceae. [more]
Kniphofia (), also called Tritoma, Red hot poker, Torch lily or Poker plant, is a genus of plants in the family Xanthorrhoeaceae, subfamily Asphodeloideae, that includes 70 or more species native to Africa. Some species have been commercially used horticulturally and are commonly known for their bright, rocket-shaped flowers. [more]
Lagerstroemia (), commonly known as Crape myrtle or Crepe myrtle, is a genus of around 50 species of deciduous and evergreen trees and shrubs native to the Indian subcontinent, southeast Asia, northern Australia and parts of Oceania, cultivated in warmer climates around the world. It is a member of the Lythraceae, which is also known as the Loosestrife family. The genus is named after the Swedish merchant Magnus von Lagerstr?m, who supplied Carolus Linnaeus with plants he collected. [more]
Lastreopsis is a genus of in family Dryopteridaceae. [more]
Ledum is a genus name formerly widely recognised in the family Ericaceae, including 8 species of evergreen shrubs native to cool temperate and subarctic regions of the Northern Hemisphere and commonly known as Labrador Tea. [more]
Lepidozamia is a genus of two species of cycad, native to Australia. The name, derived from the Greek word lepidos, meaning scaly, refers to the scale-like structure of the stem and leaf bases. They are native to rainforest climates in eastern Queensland and eastern New South Wales. They have a chromosome number of 2n = 18. [more]
Leucadendron is a genus of about 80 species of in the family Proteaceae, endemic to South Africa, where they are a prominent part of the fynbos vegetation. [more]
Leucophyllum is a genus of evergreen shrubs in the figwort family, Scrophulariaceae, native to the southwestern United States and Mexico. It is sometimes placed in the family Myoporaceae. The dozen-odd species are often called "sages", although they have no relationship to the genus Salvia. [more]
Herbs perennial, erect, pubescent or villous. Basal leaves long petiolate; stem leaves alternate, entire. Cymes ebracteate. Calyx 5-parted to base; lobes lanceolate to linear-oblong, slightly enlarged in fruit. Corolla funnelform; tube usually longer than calyx; throat appendages elongated, curved, or oblong, rarely reduced, becoming ovate, entire at apex; lobes of limb subvertical or spreading, obtuse. Stamens inserted below throat; anthers elongated, frequently hastate at base, exserted from throat. Style filiform, exserted, thickened and persistent in fruit. Gynobase short conical. Nutlets dorsiventrally compressed, ovate, ca. 6 mm, abaxially discoid with glochids; attachment scar above middle adaxially, ovate, firmly coherent to gynobase. [more]
Liriope has two distinct meanings: [more]
Litsea is a genus of evergreen or deciduous trees or shrubs belonging to the Laurel family, Lauraceae. The genus includes 200-400 species in tropical and subtropical Asia, Australia, New Zealand, North America to subtropical South America; 70+ species in China, mostly in south and southwest warm regions. [more]
Lophosoria is a genus of tree ferns within the Dicksoniaceae family. [more]
Lycoris is a Greek word meaning twilight. Other uses include: [more]
Mahonia is a genus of about 70 species of evergreen shrubs in the family Berberidaceae, native to eastern Asia, the Himalaya, North America and Central America. They are closely related to the genus Berberis. Botanists disagree on the acceptability of the genus name Mahonia. Several authorities argue plants in this genus should be included in the genus Berberis because several species in both genera are able to hybridize, and because when the two genera are looked at as a whole, there is no definite morphological separation. Mahonia typically have large, pinnate leaves 10?50 cm long with 5-15 leaflets, and flowers in racemes (5?20 cm long). [more]
Marchantia is a in the family Marchantiaceae of the order Marchantiales, a group of liverworts. [more]
Melianthus is a genus of plants and shrubs native to , but much propagated in gardens world wide. [more]
Menodora is a genus of perennial plants and shrubs in the olive family Oleaceae. Its 23 species (as per Green 2003) are found in the temperate Americas and in southern Africa. These are uniformly species of deserts and arid grasslands or savannas. [more]
Medlar (Mespilus) is a genus of two species of in the subfamily Maloideae of the family Rosaceae. One, Common Medlar Mespilus germanica, is a long-known native of southwest Asia and possibly also southeastern Europe, and the other, Stern's Medlar Mespilus canescens, was recently (1990) discovered in North America. [more]
Moricandia is a genus of plants belonging to the family . Moricandia ramburii commonly known as violet cabbage, a native of the Mediterranean, is cultivated as a garden flower. [more]
Herbs perennial. Rhizome brown, thick, scaly. Leaves all basal, long petiolate; leaf blade broadly ovate to orbicular, base cordate, margin 5-7(-9) -cleft, lobes serrate at margin. Inflorescence cymose, ebracteate, many flowered. Flowers showy. Sepals 5 or 6. Petals 5 or 6(or 7), shorter than sepals. Stamens 5 or 6(or 7), alternate with and shorter than petals. Carpels 2, proximally connate; ovary subsuperior, proximally 2-loculed with axile placentation, distally 1-loculed with marginal placentation; ovules many; styles 2. Fruit a capsule. Seeds numerous, small. [more]
Shrubs, rarely subshrubs, deciduous, erect or prostrate. Leaves simple, alternate, sessile, usually densely arranged on green young branches of current year, margin entire. Flowers bisexual, shortly petiolate, clustered into terminal or lateral racemes or panicles; bracts broadly or narrowly membranous along margin. Calyx 5-fid; lobes often membranous along margin. Petals 5, pink, white, or purplish red, obovate, narrowly elliptic, or obovate-oblong, apex obtuse or emarginate, often incurved, usually persistent in fruit. Stamens 10: 5 long and 5 short; filaments ca. 1/2 or 2/3 united, rarely free; anthers 2-thecate, longitudinally dehiscent, yellow. Pistils consisting of 3 carpels; ovary 3-angled; placentation basal; ovules numerous; stigmas capitate, 3-lobed. Capsule 3-septicidal. Seeds numerous, apex awned; awns white villous throughout or on more than half; endosperm absent. [more]
Nemesia can be: [more]
Nerine is a genus of plants belonging to the Amaryllidaceae family. Native to South Africa, there are about 30 different species in the genus. Nerine have been widely cultivated and much hybridized and are now spread world wide. [more]
The Saint Helena Olive (Nesiota elliptica) is a recently extinct plant from the monotypic genus of flowering plants Nesiota within the family Rhamnaceae. [more]
Nothofagus, also known as the southern beeches, is a genus of 36 species of trees and shrubs native to the temperate oceanic to tropical Southern Hemisphere in southern South America (Chile, Argentina) and Australasia (east and southeast Australia, Tasmania, New Zealand, New Guinea and New Caledonia). Fossils have recently been found in Antarctica. [more]
Trees dioecious. Leaves often crowded near ends of branches, estipulate. Flowers unisexual, usually in heads or short racemes, in axil of a bract with 2 bracteoles. Male flowers 5-merous. Stamens 10, arranged in two alternate whorls; filaments linear; anthers 2-celled, dorsifixed, with lateral lengthwise slits; disk pulvinate. Female flowers (4 or) 5-merous; staminodes usually present. Ovary inferior, 1(or 2) -loculed, 1-ovuled; style bifid, with stigmatic tissue at inside of stylar arms. Fruit drupaceous, laterally flattened, with persistent calyx and disk. n = 22 [in Nyssa javanica (Blume) Wangerin (Mehra & Bawainin, Evolution 23: 466-481. 1969) ]. [more]
Osmanthus (Osmanthus) is a genus of about 30 species of flowering plants in the family Oleaceae, mostly native to warm temperate Asia (from the Caucasus east to Japan) but one species (O. americanus) in North America (southeastern United States, Texas to Virginia). They range in size from shrubs to small trees, 2-12 m tall. The leaves are opposite, evergreen, and simple, with an entire, serrated or coarsely toothed margin. The flowers are produced in spring, summer or autumn, each flower being about 1 cm long, white, with a four-lobed tubular-based corolla ('petals'). The flowers grow in small panicles, and in several species have a strong fragrance. The fruit is a small (10-15 mm), hard-skinned dark blue to purple drupe containing a single seed. [more]
The genus Paraphalaenopsis, abbreviated as Prphln in horticultural trade, is a member of the family (Orchidaceae), consisting of 4 species endemic to Borneo and one natural (unconfirmed) hybrid, Paraphalaenopsis × thorntonii (P. denevei × P. serpentilingua). [more]
Peganum L. is a genus under the recently separated family Nitrariaceae (Sheahan & Chase 1996). Formerly it used to be included in the family Zygophyllaceae. [more]
Herbs or subshrubs, without stinging hairs. Leaves apparently alternate, distichous; nanophylls present or absent, opposite to normal leaves; stipules 2; leaf blade 3-veined, one major lateral vein sometimes inserted above the base, or pinnately veined, base asymmetric, margin entire or serrate; cystoliths mostly present, linear or fusiform. Inflorescences axillary, cymes of unisexual flowers (plants monoecious or dioecious) ; male ones usually pedunculate; female ones pedunculate or sessile, bracteose, rarely with discoid receptacle and involucre. Male flowers: perianth lobes 4 or 5, elliptic, connate 1/2 of length, slightly valvate, apex usually corniculate; stamens as many as and opposite to perianth lobes; filaments inflexed in bud; rudimentary pistil small. Female flowers: perianth lobes 4 or 5, distinct, longer than or as long as ovary, usually unequal, apex usually corniculate; staminodes as many as and opposite to perianth, scale-like. Ovary straight, ellipsoid; style absent; stigma penicillate; ovule orthotropous. Achenes ovoid or ellipsoid, slightly flattened, usually tuberculate. [more]
Pericallis is a small genus of about 14 species of flowering plants in the family Asteraceae, native to the Canary Islands and Madeira. The genus includes herbaceous plants and small subshrubs. In the past, the genus was often included in either Cineraria or Senecio. [more]
Phaedranassa is a genus of in family Amaryllidaceae. It contains the following species (but this list may be incomplete): [more]
Photinia () is a genus of about 40?60 species of small trees and large shrubs in the Rosaceae family. As interpreted here, the natural range of these species is restricted to warm temperate Asia, from the Himalaya east to Japan and south to India and Thailand. They have, however, been widely cultivated throughout the world as ornamentals for their white flowers and red fruits. [more]
Phygelius (E. Mey.ex Benth.), Cape fuchsia, is a of the Scrophulariaceae family. The genus is native to southern Africa. The plants are adapted to surviving severe summer conditions. Phygelius is not related to the Fuchsia genus, in spite of the common name. [more]
Phylica is a genus of in family Rhamnaceae. [more]
Phyllocladus is a small genus of conifers, now usually treated in the family Podocarpaceae. They are morphologically very distinct from the other genera in that family, and some botanists treat them in a family of their own, the Phyllocladaceae. One molecular phylogenetic analysis found Phyllocladus to be sister to Podocarpus sensu stricto. Another was equivocal on its position relative to Podocarpaceae s.s.. [more]
Pleioblastus is a genus of monopodial bamboo. Genetic research indicates that this genus may properly be part of the genus Arundinaria. [more]
Perennials, densely tufted. Culms slender, branching, drooping or trailing, several- to many-noded. Leaf blades linear or linear-lanceolate, lower blades deciduous; ligule a membranous ciliate rim. Inflorescence a single raceme borne on a flexuous peduncle, racemes many, terminating the culm branches; raceme fragile, sessile and pedicelled spikelets of a pair similar, both fertile; rachis internodes and pedicels shorter than spikelets, linear with expanded apex, ciliate. Sessile spikelet oblong, laterally compressed; callus obtuse, bearded with long silky hairs; glumes subequal, membranous or thinly cartilaginous; lower glume strongly convex, 3-5-veined, apex truncate, 2-3-lobed, ciliate; upper glume slightly longer than lower glume, strongly keeled, apex 2-toothed, a long, fine, flexuous awn from sinus; lower floret male with palea or reduced to a hyaline lemma or absent; upper lemma oblong, hyaline, 2-lobed for 1/3-1/2 its length, awned; awn long, very slender, geniculate near base; upper palea subequal to lemma. Stamens 1-2. Pedicelled spikelet often smaller, lacking a lower floret, upper floret bisexual or female. [more]
Polystichum is a genus of about 180 species of ferns with a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 120 species in China alone; Africa (17 species), North America (15 species), and Europe (5 species) have much lower diversity. [more]
Prumnopitys is a genus of conifers belonging to the podocarp family Podocarpaceae. The eight recognised species of Prumnopitys are densely-branched, dioecious evergreen trees up to 40 metres in height. The leaves are similar to those of the yew, strap-shaped, 1-4 cm long and 2-3 mm broad, with a soft texture; they are green above, and with two blue-green stomatal bands below. The seed cones are highly modified, reduced to a central stem 1-5 cm long bearing several scales; from one to five scales are fertile, each with a single seed surrounded by fleshy scale tissue, resembling a drupe. These berry-like cone scales are eaten by birds which then disperse the seeds in their droppings. [more]
Pterocephalus is a genus in the family of herbs and shrubs. [more]
Regelia is a genus of flowering plants in the family Myrtaceae. This genus is composed of six species of small leaved, evergreen shrubs and trees that are endemic to Australia. Five of the six species are endemic to the south-west of Western Australia. The sixth species that has been assigned to this genus (R. punicea) is endemic to Kakadu National Park in the Northern Territory and is now considered to belong to a new separate genus, Petraeomyrtus. Regelia species range from 1 to 6 meters in height. They are noted for bearing essential oils. Typically showy blooms are aggregate inflorescences which take the form of heads or spikes depending upon the species. Fruits are a woody, 3-valved capsule which often split upon maturity. [more]
Herbs, perennial or annual, terrestrial, not rhizomatous or rhizomatous. Stems branched or simple. Leaves few, along stem, alternate; leaf blade puberulent to glabrous, base sometimes strongly oblique, cuneate to cordate. Inflorescences racemose, lax and later appearing scorpioid, pseudoterminal and/or axillary, few- to many-flowered cymes; bract 1, opposite each flower, alternate [or absent]. Calyx actinomorphic, 5-lobed, sometimes winged; segments equal. Corolla blue to purple, zygomorphic, inside glabrous or sparsely puberulent near mouth; tube tubular to cylindric, not swollen, slightly longer than limb, 1.5-4 mm in diam.; limb 2-lipped; adaxial lip 2-lobed, shorter than abaxial lip; abaxial lip 3-lobed, seldom undivided, lobes equal or subequal, apex rounded and mucronulate or acute to obtuse. Stamens 2 or 4, adnate to corolla tube near middle, if 2 on abaxial side, included; anthers basifixed or dorsifixed, coherent in pairs, thecae nearly parallel or divaricate, confluent at apex, dehiscing longitudinally; connective not projecting; staminodes 2, 3, or absent, adnate to adaxial or adaxial and abaxial sides of corolla tube. Disc cupular. Ovary ovoid, 1-loculed; placentas 2, parietal, projecting inward, 2-cleft. Stigma 1, terminal, subglobose, undivided. Capsule straight in relation to pedicel, ovoid, shorter than calyx, dehiscing loculicidally to base; valves 2, straight, not twisted. Seeds unappendaged. [more]
Rhyncholaelia, abbreviated Rhynch in horticultural trade, is a of orchids (family Orchidaceae), comprising 2 species. They are distributed from Mexico to Honduras. They were previously included in Brassavola. [more]
Rhipogonaceae (sometimes Ripogonaceae) is the of a family of flowering plants. The family is confined to eastern Australia, New Zealand, and New Guinea. Rhipogonaceae is composed entirely of woody vines in the genus Rhipogonum (sometimes Ripogonum). Until recently this family was included in Smilacaceae, and its separation has been a matter of some debate. However, both the APG system and APG II system do recognize such a family and place it in the order Liliales, and the clade monocots. It differs from the closely related Smilacaceae only in that Rhipogonaceae is a twining vine that lacks tendrils, its seeds contain starch, the flowers are hermaphroditic, and the five sided anthers are longer than the filaments. [more]
Rodgersia is a genus of flowering plants in the Saxifragaceae family. Rodgersia are herbaceous perennials. [more]
Willows, sallows, and osiers form the genus Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old English sealh, related to the Latin word salix, willow). Some willows (particularly arctic and alpine species) are low-growing or creeping shrubs; for example, the dwarf willow (Salix herbacea) rarely exceeds 6 cm (2 in) in height, though it spreads widely across the ground. [more]
Schisandra (Magnolia Vine) is a genus of shrub commonly grown in gardens. It is a hardy deciduous climber which thrives in virtually any soil; its preferred position is on a sheltered shady wall. It may be propagated by taking cuttings of half-matured shoots in August. Species include S. chinensis, S. glaucescens, S. rubriflora and S. rubrifolia. [more]
Schomburgkia is a genus of plants belonging to the family Orchidaceae. This genus is named for Richard Schomburgk, a German botanist who explored British Guiana during the 19th century. Species in this genus are either ephiphytic or lithophytic in their growth habit. According to the Royal Horticultural Society Schom. is the official abbreviation for this genus. [more]
Herbs perennial. Roots stout, taproot elongate or cylindrical. Stems erect, base clothed with fibrous remnant sheaths. Basal leaves 23-pinnate or ternate-2-pinnate. Stem leaves gradually reduced upwards, becoming sessile on expanded sheaths. Umbels compound, terminal and lateral; bracts entire, 23-lobed at apex, or 12-pinnate, or absent; rays numerous; bracteoles usually similar to bracts. Calyx teeth evident, linear-lanceolate, equaling or exceeding the stylopodium, unequal. Petals white or pinkish, obovate, base cuneate, apex notched with small incurved lobule (except L. weberbaurianum). Stylopodium conic; styles ca. 2 × stylopodium, reflexed after flowering. Fruit oblong-ovoid, ovoid or suborbicular, compressed dorsally, glabrous; dorsal ribs thickened or narrowly winged; lateral ribs broad-winged (2 × dorsal wings) ; vittae 1(4) in dorsal furrows, 14 in lateral furrows, 28 on commissure. Seed face plane. Carpophore 2-cleft to base. [more]
Sequoia is a genus in the cypress family Cupressaceae (formerly treated in Taxodiaceae), containing the single living species Sequoia sempervirens. Common names include Coast Redwood and California Redwood (it is one of three species of trees known as redwoods). It is an evergreen, long-lived, monoecious tree living for up to 2,200 years, and is the tallest tree in the world, reaching up to 115.5 m (379.1 ft) in height and 7 m (23 ft) diameter at the base. It is thought to be named after the Cherokee Indian leader, Sequoyah, though this is uncertain. [more]
Herbs, perennial, glabrous. Stem erect, solid, striate, base clothed in fibrous remnant sheaths. Leaves long-petiolate, 34-pinnate; ultimate segments broadly lanceolate to linear, acute. Umbels compound, terminal and lateral; bracts absent or few, linear, deciduous; bracteoles numerous. Calyx teeth minute, conspicuous. Petals yellow, outer reddish-tinged, ovate, midvein elevated on both surfaces, apex narrowly inflexed. Stylopodium low-conic; styles short, reflexed. Fruit ovoid-oblong to subcylindrical, glabrous; mericarps subpentagonal in cross section; ribs 5, acute, narrowly winged; vittae small, numerous, obscure when mature. Seed face plane. Carpophore 2-cleft to base. [more]
Sinojackia is a genus of five to eight species of flowering plants in the family Styracaceae, all endemic to China. [more]
Herbs perennial, often pulvinate, with well-developed caudex covered with petioles of previous years. Trichomes dendritic, sometimes mixed with simple and forked stalked ones. Stems erect or ascending, several from caudex, simple or branched apically. Basal leaves petiolate, rosulate, simple, 1- or rarely 2-pinnatisect, sometimes entire, densely pubescent. Cauline leaves shortly petiolate or sessile, not auriculate, entire or pinnatisect. Racemes ebracteate or basally bracteate, elongated in fruit. Fruiting pedicels suberect, ascending, or divaricate. Sepals ovate or oblong, ascending or spreading, base of lateral pair not saccate. Petals white, creamy white, or purplish, longer than sepals; blade suborbicular, obovate, or spatulate, apex rounded; claw subequaling or longer than sepals. Stamens 6, tetradynamous; filaments dilated at base; anthers ovate or oblong, obtuse at apex. Nectar glands confluent and subtending bases of all stamens. Ovules 6-30 per ovary. Fruit dehiscent siliques or silicles, linear, oblong, ovoid, obovoid, ellipsoid, or lanceolate, terete or slightly 4-angled, sometimes angustiseptate; valves with a prominent midvein, smooth; replum rounded; septum complete or perforated; style absent or short and to 1.5 mm; stigma capitate, entire. Seeds uniseriate, wingless, oblong, plump; seed coat minutely reticulate, not mucilaginous when wetted; cotyledons incumbent. [more]
Herbs, perennial, with nonstinging hairs. Stems 1-25-branched, repent, filiform, mat-forming. Leaves alternate; stipules absent. Leaf blades orbiculate to oblong, margins entire; cystoliths elongate, linear. Inflorescences axillary, 1-flowered. Flowers unisexual, proximal flowers pistillate, the distal staminate; bracts subtending pistillate flowers developing 3 corky wings covered with fine, hooked hairs in fruit. Staminate flowers: tepals 4, distinct, equal; stamens4; pistillode obovate. Pistillate flowers: tepals 4, connate, lacking hooked hairs; staminodes absent; stigma filiform, deciduous. Achenes sessile, ovoid, apex acute, tightly enclosed by scarious perianth and surrounded by connivent, winged bracteoles. x =10. [more]
Staudtia is a genus of in family Myristicaceae. It contains the following species (but this list may be incomplete): [more]
Herbs, perennial. Root rather thick. Stem inconspicuous or short-caulescent, base clothed with fibrous remnant sheaths. Basal leaves numerous, rosulate, petiolate, sheathing; blade 2-pinnate. Umbels compound, primary umbel terminal; bracts and bracteoles numerous, linear or linear-lanceolate, with short hairs, margins broadly white-membranous; rays stout, angular; umbellules many-flowered; lateral umbels smaller. Calyx teeth conspicuous, acute-triangular. Petals white, midrib violet, obovate, base cuneate, apex notched with a narrow incurved lobule, pubescent abaxially. Stylopodium short-conical; styles ca. 2 × stylopodium, reflexed. Fruit ovoid, slightly compressed dorsally; ribs thick-obtuse, very prominent, irregularly denticulate especially along ribs, denticles stiff-membranous or with stiffly scarious-processes and hairs; furrows narrow; vittae 1 in each furrow, 2 on commissure. Seed face plane. Carpophore 2-cleft to base. [more]
Shrubs deciduous. Branchlets reddish brown when young, terete, slightly pubescent; buds usually 2 or 3 superposed, ovoid, small, with 2-4 scales. Leaves petiolate; stipules acuminate at apex; leaf blade simple, margin serrate, usually lobed. Inflorescence a terminal corymb or panicle, many flowered; bracts small, margin entire. Flowers small, bisexual; pedicel slender. Hypanthium cupular. Sepals 5, persistent in fruit, apex obtuse. Petals 5, white, shorter than sepals. Stamens 10-20, borne on margin of hypanthium; filaments short. Carpel 1; ovules 2, pendulous; style terminal, erect. Follicle obliquely subglobose, crustaceous, dehiscing from base. Seeds 1 or 2, lustrous, globose to ovoid. [more]
Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts. Some species bear very showy purple and blue flowers. [more]
Syncarpha is a genus of some 28 species of herbaceous flowering plants in the daisy family Asteraceae. The flowers are known by the common name: Everlastings. The genus is endemic to the fynbos of the Eastern and Western Cape in South Africa. [more]
Tamus is a genus of one or two species of flowering plants in the family Dioscoreaceae, native to Europe, northwestern Africa, and western Asia. The genus is now often included within the related genus Dioscorea, but is maintained as distinct by some authors. [more]
Tecomanthe is a genus of 5 species of tropical or subtropical forest lianes in the family Bignoniaceae. They have attractive trumpet-like flowers and glossy leaves. They are native to Australia, Indonesia, New Guinea, New Zealand, and the Solomon Islands. [more]
Tellima grandiflora (Fringecups, Bigflower Tellima) is a perennial of the family Saxifragaceae. It is a native of most forests in western North America. Frequently grown in gardens, it has escaped and become established in some other areas, e.g. Great Britain. The small green, white or purple flowers are born in spikes and the petals are deeply fringed. It is the only species in the genus Tellima. [more]
Tetradium is a genus of about 5 to 10 species of trees in the family Rutaceae, occurring in temperate to tropical east Asia. In cultivation in English-speaking countries, they are known as Euodia, Evodia, or Bee bee tree. [more]
Thamnocalamus is a genus of clumping bamboo. These species are found from the mountains of East Asia and Africa. They are similar to the genus Fargesia, which is sometimes put in synonymy with Thamnocalamus. [more]
Thlaspi are a genus of herbs of temperate regions. The rare species T. perfoliatum occurs primarily in Oxfordshire, England and is protected under the UK Biodiversity Action Plan. [more]
The Foamflowers (Tiarella) are a popular genus of wildflower and garden plants. They belong to the Saxifrage family (Saxifragaceae). Some species are: [more]
Trichocalyx is a genus of in family Acanthaceae. It contains the following species (but this list may be incomplete): [more]
Tylecodon is a genus of in family Crassulaceae. It contains the following species (but this list may be incomplete): [more]
Villarsia is a of aquatic flowering plants in the family Menyanthaceae. The genus is named for the French botanist Dominique Villars (1745-1814). Villarsia are wetland plants with basal leaves. The inflorescence is a branched panicle with numerous flowers. Flowers are five-parted, either yellow or white, and the petals are adorned with wings. [more]
Welwitschia is a monotypic genus of gymnosperm plant, composed solely of the very distinct Welwitschia mirabilis. The plant is commonly simply known as Welwitschia in English. It is known locally as kharos or khurub (Nama), tweeblaarkanniedood (Afrikaans), nyanka (Damara), or onyanga (Herero), among others. It is the only genus of the family Welwitschiaceae and order Welwitschiales, in the division Gnetophyta. The plant, which is considered a living fossil, is named after the Austrian botanist Friedrich Welwitsch who described it in 1859. The geographic distribution of Welwitschia mirabilis is limited to the Namib desert within Namibia and Angola. [more]
Wittrockia is a of flowering plants in the family Bromeliaceae, subfamily Bromelioideae. Consisting of only seven species, these plants are native to Central and South America. Their attractive foliage has made them popular in cultivation. [more]
Xanthorrhoea is a genus of flowering plants native to Australia and a member of family Xanthorrhoeaceae, being the only member of subfamily Xanthorrhoeoideae. The Xanthorrhoeaceae are monocots, part of order Asparagales. There are 28 species and five subspecies of Xanthorrhoea. [more]
Herbs perennial, with a short, thickened, slightly fleshy rhizome, glabrous. Leaves basal, rosulate, linear to lanceolate or oblanceolate, or spatulate, basally gradually narrowed to a petiole. Scape arising from axils of lateral leaves, erect, simple, with several to many scaly leaves. Inflorescence a terminal raceme, 2--30-flowered; bract absent. Flowers bisexual, usually nodding at anthesis, ascending in fruit, spreading funnelform. Tepals 6, free, with a nectary gland basally on adaxial side, persistent. Stamens 6, rather long, free from tepals, inner ones basally adnate to ovary, outer ones free; anthers usually reniform, basifixed, with confluent locules. Ovary superior, 3-lobed, 3-loculed; ovules many per locule. Style 1, very short to long; stigma capitate to 3-cleft. Fruit a capsule, trigonous, 3-lobed apically, loculicidal. Seeds numerous, narrowly fusiform, both ends caudate. [more]
Yushania is a genus with 6 species of spreading thornless bamboos. They are found in the Himalaya at moderate to high altitudes, up to 3000 m but usually lower, and in Taiwan and Africa. They are evergreen and reach 2 to 10 m tall. [more]
Zelkova is a genus of six species of deciduous trees in the elm family Ulmaceae, native to southern Europe, and southwest and eastern Asia. They vary in size from shrubs (Z. sicula) to large trees up to 35 m tall (Z. carpinifolia). The leaves are alternate, with serrated margins, and (unlike the related elms) a symmetrical base to the leaf blade. The fruit is a dry, nut-like drupe, produced singly in the leaf axils. [more]
At least 56 species and subspecies belong to the Genus Zelkova.
More info about the Genus Zelkova may be found here.
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