Plants 120-250 mm long. Corm with a small, often high, crescent-shaped basal ridge and a row of parallel fibrils or teeth very sharply bent over the ridge into fibrils minutely forked at their ends. Stem short, hidden. Leaves basal, filiform to compressed cylindrical, 120-250 x 1-2 mm, grooves narrow. Bracts green in the upper half, submembranous in the lower, the inner with wide brown-speckled or colourless membranous margins. Flowers (12-)15-20(-24) mm long, pale rose or lilac-rose to almost white, often with 1-3 dark lines in the throat, outer segments brownish purple or green with dark lines on the backs. Perianth tube 2-3.5 mm long; segments 8-15 x 3-5 mm. Filaments 3-4 mm, sometimes unequal in length; anthers 3-4 mm long. Style 6-8 mm; stigmas often reaching to the anther tips. Capsules on curved peduncles which straighten later.
Perennial herb, geophyte, 0.01-0.25 m high; corm with sharply bent fibrils; stem subterranean. Leaves 5-8, basal, narrowly 4-grooved, 1-2 mm in diam. Bracts usually submembranous in lower half, margins membranous. Flowers white, lilac or rose, with greenish yellow cup; perianth tube 2.0-3.5 mm long; tepals elliptic, 8-15 mm long. Stamens: filaments 3-4 mm long; anthers 3-4 mm long. Style 6-8 mm long; stigma reaching to anther apex. Flowering time Aug., Sept. Capsule on erect peduncles which straighten later.
Cormous geophyte to 10 cm, corm with an oblique basal ridge, basal ridge fibrous. Basal leaves several. Flowers rose to white with greenish yellow cup.