A tentatively accepted name in the RHS Horticultural Database.
Herbs perennial (or shrubs or annuals), with rhizomes, bulbs, or corms. Leaves alternate, often 2-ranked, often oriented edgewise to aerial stem, usually sword-shaped to linear, parallel veined, base sheathing. Inflorescence sometimes a spike or reduced to a solitary flower, more often of monochasial, umbellate cymes, each enclosed in 2 opposed bracts (spathes) and termed a rhipidium, which may be solitary and terminal or numerous and variously arranged in racemes or panicles; bracts 1 to several. Flowers bisexual, showy, usually actinomorphic (often zygomorphic elsewhere) . Perianth segments 6, in 2 whorls, inner and outer ones equal or differing in size and/or color; tube filiform or trumpet-shaped. Stamens (2 or) 3; anthers extrorse. Ovary inferior (or superior), 3-loculed; ovules few to many; placentation axile. Style with filiform, slender, or petaloid branches. Fruit a loculicidal capsule. Seeds with or without aril and wings.
Between 70 and 80 genera and ca. 1800 species: nearly worldwide, especially S Africa, Asia, and Europe; three genera and 61 species (21 endemic, one introduced) in China.[1]
There are approximately 142 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: B. 'Blue Gem' · B. 'Laura' · B. 'Purple Star' · B. 'White King' · B. 'Zwanenburg's Glory' · B. adpressa · B. ambigua · B. angusta · B. angustifolia (Baboon Flower) · B. atrocyanea · B. atrodeltoidea · B. attenuata · B. auriculata · B. bainesii · B. bakeri · B. blanda · B. brachystachys · B. buchubergensis · B. caerulescens · B. caesia · B. carminea · B. cedarbergensis (Baboon Flower) · B. crispa · B. cuneata · B. cuneifolia · B. curviscapa · B. densiflora · B. disticha · B. dregei · B. ecklonii · B. erectifolia · B. falcata · B. fastigiata · B. fimbriata · B. flabellifolia · B. flavida · B. flavocaesia · B. foliosa · B. fourcadei · B. fragrans · B. framesii · B. framesii var. kamiesbergensis · B. gawleri · B. geniculata · B. gladiola · B. hiemalis · B. horizontalis · B. hybrids · B. hypogaea · B. hypogala · B. hypogea · B. intermedia · B. klaverensis · B. lata · B. latifolia · B. leipoldtii · B. lewisiana · B. lilacina · B. lineolata · B. lobata · B. longibracteata · B. longicollis · B. longiflora · B. macrantha · B. maculata · B. minuta · B. mononeura · B. montana · B. mucronata · B. multiflora · B. namaquensis · B. nana (Baboon Flower) · B. obliqua · B. obtusifolia · B. occidentalis · B. ochroleuca · B. odorata · B. orthosantha · B. parviflora · B. patersoneae · B. patersoniae · B. patula · B. pauciflora · B. pilosa · B. planifolia · B. plicata · B. praemorsa · B. pubescens · B. pulchella · B. pulchra · B. punctata · B. punicea · B. purpurea · B. pygmaea · B. quadripartita · B. reflexa · B. regia · B. ringens (Baboon Flower) · B. rosea · B. rubro-cyanea
There are approximately 8,436 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: R. arboreum albotomentosum · R. argyrophyllum hejiangense · R. aurigeranum hirsutum · R. borneense angustissimum · R. brookeanum gracile · R. campylocarpum telopeum · R. dalhousiae tashii · R. decorum parvistigmatis · R. disterigmoides astromontium · R. durionifolium sabahense · R. edanoi pneumonanthum · R. floccigerum appropinquans · R. henanense lingbaoense · R. javanicum brookeanum · R. javanicum cockburnii · R. javanicum gracile · R. javanicum palawanense · R. javanicum schadenbergii · R. kamtschaticum glandulosum · R. kamtshaticum glandulosum · R. lepidotum obovatum · R. lepidotum salignum · R. longistylum decumbens · R. maculiferum anhweiense · R. mariae kwangsiense · R. nivale australe · R. nudipes yakumontanum · R. orbiculare oblongum · R. przewalskii chrysophyllum · R. przewalskii huzhuense · R. przewalskii yushuense · R. pseudochrysanthum morii · R. quadrasianum angustissimum · R. ririei leiboense · R. saluenense chamaeunum · R. scabrum amanoi · R. simiarum youngae · R. tomentosum subarcticum · R. trichocladum nepalense · R. triflorum multiflorum · R. yakusimanum makinoi · R. yunnanensis bhutanica · R. '851C' · R. 'A. Gilbert' · R. 'A.J. Ivens' · R. 'Abbot' · R. 'Abe Arnott' · R. 'Abegail' · R. 'Abendrot' · R. 'Accent' · R. 'Accomplishment' · R. 'Achilles' · R. 'Actress' · R. 'Ada Brunieres' · R. 'Adamant' · R. 'Addy Wery' · R. 'Adelaide' · R. 'Admiral Piet Hein' · R. 'Adonis' · R. 'Adorable' · R. 'Adriaan Koster' · R. 'Adriaan Koster' × wardii var. wardii Litiense Group · R. 'Advance' · R. 'Aeolus' · R. 'Agamujin' · R. 'Ageeth' · R. 'Agemaki' · R. 'Agnes Beaufort' · R. 'Agnes Lamont' · R. 'Agnes Lamont' × lacteum · R. 'Agnes Mangles' · R. 'Agnes' · R. 'Ahren's Favourite' · R. 'Aida' (Aida Rustica Flora Pleno Hybrid Azalea) · R. 'Aileen O'Rourke' · R. 'Ailsa Jean' · R. 'Aioi' · R. 'Airy Fairy' · R. 'Aizen-no-tsuki' · R. 'Akebono-ryukyu' · R. 'Aksel Olsen' · R. 'Aladdin' (Aladdin Azalea) · R. 'Aladdin's Jinni' · R. 'Alan Campbell-Johnson' · R. 'Alan Stockman' · R. 'Albacore' · R. 'Albarello' · R. 'Albatross Townhill Pink' · R. 'Albatross Townhill White' · R. 'Albatross' · R. 'Albert Schweitzer' · R. 'Album Elegans' (Album Elegans Rhododendron) · R. 'Album' · R. 'Alcesta' · R. 'Alena' · R. 'Alessandro Volta' · R. 'Alex Hill' · R. 'Alexander' · R. 'Alexandra Gordon' · R. 'Alfred'
What is this? Click to find out...