Bulbous herbs. Leaves radical, biseriate, sessile. Inflorescences umbellate, few- to 1-flowered, with 1 or 2 spathes. Flowers white. Stamens inserted in the throat, basally connected by a thin membrane (false corona) which is sometimes 1- or 2-toothed between the filaments; Ovary with 10 or more biseriate ovules filling each cell; Capsules loculicidal, 3-valved. Seeds angular by pressure, black.