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 44 species and subspecies in this genus: I. abyssinica · I. altier · I. altior · I. bechuanica · I. bicolor · I. boinensis · I. brasiliana (Giant Coquina) · I. brasiliensis · I. caricina · I. compressus · I. cuneatus · I. delesserti · I. dinteri · I. faba · I. flexuosa · I. guineensis · I. indica · I. junodii · I. lacunosa · I. laevigata (Brick Goby) · I. ledermanii · I. ledermannii · I. lenzi · I. magnifica · I. mysorensis · I. nitidus · I. novae-zelandiae · I. oliveri · I. pallida · I. pauciflora · I. racemosa · I. radians · I. ramosissima · I. robusta · I. sahyadrica · I. schlechteri · I. socotrana · I. somaliensis · I. stellata · I. stenotepala · I. strumosa · I. sudanica · I. ticaonicus · I. tumida
What is this? Click to find out...