Perennial herb, geophyte, 0.04-0.10 m high; corm ± ovoid or campanulate, tunics light brown, concentric, fragmenting into elliptical sections or in 2 parts; stem erect, usually branching. Leaves usually 4; basal leaves linear, erect to falcate. Bracts pale green, becoming dry above. Inflorescence of 1-or 2-flowered spikes; flowers yellow, stellate; perianth tube 2-3 mm long; tepals obovate. Stamens 2-4 mm long, erect; anthers 3.0-4.5 mm long; pollen yellow. Ovary 2 mm long; style dividing at apex of anthers, branches 2-3 mm long, recurved. Flowering time Aug.-Oct. Capsule obovate, usually exceeding bracts in length.
Cormous geophyte, 4-10 cm, corms often with a flat base, tunics woody, concentric. Leaves linear. Flowers 1-few per spike, bright yellow, tepals spreading.