Roots white, unbranched. Bases of outer cataphylls or outer foliage leaves vaginate to the base, not storing. Storage leaves from bases of inner foliage leaves, vaginate only at apex, strongly connate at base, lasting 1 year. Tunic thin, brown. Scape solitary. Bracts large, prophylls lacking. Flowers erect or slightly nodding, pinkish white or blue. Perigone connate for 1/3 to 2/3. Filaments arranged in 1 or 2 rows. Ovary globose, thickest at the septae, nectar secreted at the middle. Locules with several ovules. Seeds black, globose. Cotyledon short, hypogeal, followed by 1 foliage leaf.