Herbs perennial, cormous. Corm covered with a tunic. Stem erect, leafy. Leaves several, scattered, sessile, linear. Flowers solitary or several in a terminal corymb, small; bracts leaflike; pedicels long. Tepals 6, free, spreading, rather narrow, clawed, usually caducous. Stamens 6, inserted at base of tepals; filaments short, slightly flat; anthers versatile, extrorse. Ovary 3-loculed, ovoid to oblong; ovules many per locule. Style short, apically 3-lobed, adaxially stigmatic. Fruit a loculicidal capsule. Seeds many, subglobose; testa brown, thin.
About ten species: Africa (including Madagascar), tropical Asia, Australia, Pacific Islands (New Zealand) ; one species in China.[1]
There are approximately 35 species and subspecies in this genus: I. abyssinica · I. altier · I. altior · I. bechuanica · I. boinensis · I. brasiliana (Giant Coquina) · I. brasiliensis · I. caricina · I. cuneatus · I. dinteri · I. flexuosa · I. guineensis · I. indica · I. junodii · I. lacunosa · I. ledermanii · I. ledermannii · I. magnifica · I. mysorensis · I. novae-zelandiae · I. oliveri · I. pallida · I. pauciflora · I. racemosa · I. ramosissima · I. robusta · I. sahyadrica · I. schlechteri · I. socotrana · I. somaliensis · I. stellata · I. stenotepala · I. strumosa · I. sudanica · I. tumida
There are approximately 210 species and subspecies in this genus. Here are just 100 of them: V. abyssicola · V. aethiopica · V. africana · V. alfaroi · V. alta · V. ambigua · V. ancilla · V. angasi · V. angulata · V. anomala · V. anomala von · V. arabica · V. armata · V. aulica · V. aulica wisemani · V. beckii · V. bednalli · V. bicorona · V. brasiliana · V. braziliana · V. buffuto · V. bulbula · V. bullata · V. calya · V. caroli · V. cassidula · V. cisium · V. cithara · V. clara · V. colocynthis · V. complexa · V. concinna · V. cornuta · V. coroni · V. costata · V. costoria · V. crenistria · V. cumingi · V. cumingii · V. cymbiola · V. cythara · V. cytheara · V. damoni · V. defranci · V. delessertiana · V. deliciosa · V. delissertiana · V. deshayesi · V. deshayesii · V. digitalima · V. dohrni · V. ducalis · V. dumosa · V. ebraea · V. ebrea · V. elliote · V. ellioti · V. epigona · V. epigona von · V. ericusa · V. ferussaci · V. festiva · V. firussaci · V. flavicans · V. floridana · V. fulgetrum · V. fulminata · V. fusiformis · V. gatcliffi · V. gatliffi · V. geminata · V. gilchristi · V. glabella · V. gouldii · V. gracilis · V. hamillea · V. harpa · V. harpula · V. hebraea · V. hilgendorfi · V. hilgendorfi von · V. hirase · V. humerosa · V. hunteri · V. imperalis · V. imperialis · V. imperialis robinsona · V. imperialis robinsonae · V. indica · V. interpuncta · V. irvinae · V. janonia · V. junonia · V. kaupii · V. kingi · V. lapponica · V. larochei · V. lawsoni · V. lima · V. lineata
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