Bulb whitish, globose, ovate, 1 × 1-(2) cm, with offset bulbs; sheaths elongate, white, papery, to above ground level. Leaves 2-5, broadly linear, = or overtopping scape, strongly channelled. Scape 20-60 cm high, triquetrous, sheathed by leaves at base. Umbels 3-15-flowered, lax without bulbils; pedicels ± drooping, twice length of flowers; spathe-valves 2, ± deciduous. Flowers 10-15-(20) mm long, ± 15 mm diam., campanulate, white; segments oblong, acute, with green central stripe. Stamens ½ length of perianth; filaments simple without appendages. Capsule c. 7 × 7 mm, light brown. Seeds c. 5 mm long, black.