Bulb 15-30 mm in diameter. Leaves 10-25 cm x 5-25 mm, lorate, appearing during anthesis. Scape 12-35 cm, usually exceeding the leaves, stout, with a small central cavity and 2 narrow wings. Flowers usually solitary, rarely 2; spathe 25-40 mm, 1-valved, convolute below, about equalling the pedicel. Perianth-segments 15-25 mm, white with a green or yellow spot just below the thickened apex. Style clavate, slightly exceeding the stamens. Seeds c. 7 mm, whitish, with strophiole. 2n = 20, 22.