Deciduous; bulb subterranean, subglobose, tunicated; outer tunics pale brown and papery or thinly leathery, often lightly barred above; roots slender. Leaves 2, contemporary with flowers, prostrate or spreading, oblong to broadly elliptic, clasping at base, glabrous or variously pustulate-pubescent or bristly, subsucculent or leathery, uniformly green or sometimes with dark spots. Inflorescence either a several- to many-flowered cylindrical spike or a condensed, corymbose or subcapitate raceme borne at ground level; peduncle contracted; bracts small or large, not spurred, becoming smaller acropetally or the uppermost bracts sterile and enlarged to form a leafy coma, lanceolate to transversely ovate, membranous or subsucculent, smooth or papillose on the margins; bracteoles lacking; pedicels suberect and elongating in fruit, sometimes absent. Flowers greenish, white, cream-coloured, yellowish or tinged pink, campanulate to more or less tubular, spreading or suberect, often scented; tepals united into a short or long, often delicate tube, spreading and plane or sharply recurved at base then sharply inflexed in a transverse, sigmoid fold, oblonglanceolate, acute, persistent; stamens suberect or erect, filaments inserted at mouth of perianth tube, more or less united at base into a shallow cup, the inner sometimes shorter, firm-textured, lanceolate to filiform; anthers versatile; ovary ovoid or obtriangular; ovules numerous per locule; style terete and firm-textured, erect or weakly declinate; stigma apical, penicillate. Capsule papery, inflated, obtriangular and 3-lobed or -winged; seeds numerous per locule, subglobose, dull black, smooth or rugulose, testa tightly adhering.