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Melaleuca viridiflora

Interesting Facts

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Description

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Family Myrtaceae

Trees or shrubs , evergreen , usually with essential oils-containing cavities in foliage , branchlets , and flowers. Stipules absent or small and caducous . Leaves opposite, occasionally alternate, occasionally ternate or pseudo-whorled; leaf blade with secondary veins pinnate or basal, often with intramarginal veins near margin , margin usually entire. Inflorescences axillary or terminal , cymose but variously arranged, 1- to many-flowered. Flowers bisexual , sometimes polygamous, actinomorphic . Hypanthium usually adnate to ovary and prolonged above it. Calyx lobes (3 or) 4 or 5 or more, distinct or connate into a calyptra. Petals 4 or 5, sometimes absent, distinct or connate into a calyptra, sometimes coherent and pseudocalyptrate. Stamens usually numerous , in 1 to several whorls; filaments distinct or connate into 5 bundles opposite petals; anthers 2-celled, dorsifixed or basifixed , dehiscing longitudinally or rarely terminally; connectives usually terminating in 1 or more apical glands . Ovary inferior, semi-inferior, or very rarely superior, carpels 2 to more, locules 1 to many, pseudoseptum sometimes present, placentation usually axile but occasionally parietal ; ovules 1 to several per locule. Style single; stigma single. Fruit a capsule, berry, drupaceous berry, or drupe, 1- to many-seeded. Seeds without endosperm or endosperm sparse and thin; testa cartilaginous or thinly membranous, sometimes absent; embryo straight or curved .

About 130 genera and 4500-5000 species: Mediterranean region, sub-Saharan Africa, Madagascar, tropical and temperate Asia, Australia, Pacific islands, tropical and South America; 10 genera (five introduced ) and 121 species (50 endemic, 32 introduced treated here) in China.

Many Myrtaceae are cultivated garden ornamentals , street trees, or plantation trees. Some members of tribe Syzygieae are grown as fruit crops. In addition to the cultivated members of the family treated here, some others grown in China include Acca sellowiana (O. Berg ) Burrett (Feijoa sellowiana (O. Berg) O. Berg), Myrtus communis Linnaeus, and Syncarpia glomulifera (Smith) Niedenzu.[1]

Genus Melaleuca

Trees or shrubs . Leaves alternate or opposite-decussate, petiolate or sessile; leaf blade leathery, secondary veins basal and parallel to leaf axis or pinnate. Flowers bisexual or female sterile , arranged in spikes or heads and pseudoterminal or lateral . Hypanthium subglobose or campanulate . Sepals 5, caducous or persistent . Petals 5. Stamens numerous , greenish white; filaments basally connate into 5 bundles opposite petals; anthers dorsifixed , cells parallel, dehiscing longitudinally. Ovary slightly adnate to hypanthium, 3-loculed, apex prominent ; ovules numerous. Style linear ; stigma enlarged. Capsule semiglobose to globose , apically dehiscing. Seeds obovoid-oblong to obovoid ; testa thin; embryo straight.

About 280 species: mainly in Australia, but also in Indonesia, New Caledonia, and Papua New Guinea; several species cultivated in China but only one commonly cultivated.

Callistemon is to be included in Melaleuca as the two genera overlap in many morphological aspects . Several species are occasionally cultivated in China under Callistemon, including C. citrinus (Curtis) Skeels (C. lanceolatus Candolle), C. linearis (Smith) Candolle (C. rigidus R. Brown), C. rugulosus (Schlechtendal ex Link) Candolle (C. coccineus F. Mueller), C. salignus (Smith) Colvill ex Sweet, and C. viminalis (Solander ex Gaertner) G. Don ex Loudon. The cultivated species treated under the name M. parviflora Lindley in FRPS (53(1) : 55. 1984) is not that species; no material has been seen and its true identity is unknown.[2]

Physical Description

Habit: Evergreen .

Flowers: Bloom Period: January, February, July, August, September, October, November, December. • Flower Color: cream, pale green, red, tan

Size/Age/Growth

Size: 8-10' tall.

Biology

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Growth

Culture: Space 15-20' apart.

Sunlight: Sun Exposure: Full sun .

Taxonomy

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Notes

Name Status: Accepted Name .

Last scrutiny: 11-Nov-2003

Similar Species

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Members of the genus Melaleuca

ZipcodeZoo has pages for 54 species, subspecies, varieties, forms, and cultivars in this genus:

M. acerosa (Coastal Honey Myrtle) · M. alternifolia (Manuka) · M. armillaris (Bracelet Honey-Myrtle) · M. bracteata (Black Tea Tree) · M. brongniartii (Honey Myrtle) · M. cajuputi (Cajeput) · M. calothamnoides (Honey Myrtle) · M. capitata (Honey Myrtle) · M. cardiophylla (Tangling Melaleuca) · M. citrina (Honey Myrtle) · M. coccinea (Goldfields Bottlebrush) · M. conothamnoides (Purple Pom-Pom Myrtle) · M. cordata (Heart-Leaf Honey Myrtle) · M. cuticularis (Saltwater Paperbark) · M. decora (White Cloud Trea) · M. decussata (Cajeput) · M. diosmatifolia (Dotted Melaleuca) · M. diosmifolia (Green Honey Myrtle) · M. elliptica (Crimson Honey Myrtle) · M. ericifolia (Australian Rosalina) · M. erubescens (Pink Honey Myrtle) · M. fulgens (Scarlet Honey Myrtle) · M. gibbosa (Slender Honey-Myrtle) · M. huegelii (Chenille Honeymyrtle) · M. hypericifolia (Cajuput) · M. incana (Gray Honeymyrtle) · M. incana 'Velvet Carpet' (Velvet Carpet Gray Melaleuca) · M. lanceolata (Moonah) · M. lateritia (Robin Red-Breast) · M. leucadendra (Cajeput) · M. linariifolia (Cajeput Tree) · M. macronychia (Melaleuca) · M. megacephala (Honey Myrtle) · M. micromera (Wattle Honey Myrtle) · M. nesophila (Pink Melaleuca) · M. nodosa (Ball Honey Myrtle) · M. pulchella (Claw Honey Myrtle) · M. pustulata (Cranbrook Paperbark) · (Bottle Brush Tree) · M. radula (Graceful Honey Myrtle) · M. rhaphiophylla (Swamp Paperbark) · M. serpyllifolia (Melaleuca) · M. spathulata (Pom-Pom Honey Myrtle) · M. squamea (Swamp Melaleuca) · M. squarrosa (Sweet-Scented Paperbark) · M. styphelioides (Prickly Paperbark) · M. suberosa (Cork-Bark Honey Myrtle) · M. tamariscina (Bushhouse Paperbark) · M. thymifolia (Feather Honey Myrtle) · M. uncinata (Broom Bush) · M. viminalis (Bottlebrush) · M. viminalis 'Scarlett O'Hara' (Scarlett O'Hara Bottlebrush) · M. viridiflora 'Red Flowering Form' (Red Broadleaf Paperbark) · M. wilsonii (Violet Honey-Myrtle)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 15, 2008:

Identifiers

Footnotes

  1. Jie Chen & Lyn A. Craven "Myrtaceae". in Flora of China Vol. 13 Page 321. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. Jie Chen & Lyn A. Craven "Melaleuca". in Flora of China Vol. 13 Page 321, 328. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 2012-07-21