Bulbous, perennial herbs. Leaves linear to lorate, forming a tubular basal sheath around the cylindric stem. Flowers in terminal racemes. Bracts acuminate, not spurred. Perianth erect or drooping; segments 6, free or fused near the base, oblong, white or yellow with a broad green or brown central stripe; 3 outer spreading, 3 inner connivent, hooded at apex. Stamens 6, all fertile or outer 3 sterile. Filaments winged and expanded below to enfold the ovary. Capsule ovoid to spherical, 3-lobed. Seeds flat, semi-circular, black, shiny, papillose. Worldwide: c.50 species in Africa and Arabia Burundi: 2 taxa. |
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