Perennial herb, geophyte, 0.03-0.08 m; corm slightly asymmetric, obovate, tunics smooth, brown; stem very short. Leaves 6-9, conduplicate, 30-100 x 0.5-1.0 mm. Bracts 12-25 mm long, usually membranous with brown stripes. Flower 1, violet with yellow throat, 30-50 mm long; perianth tube 25-45 mm long; tepals oblanceolate, 5-8 x 2 mm long. Style as long as perianth tube; stigma 1 mm long, spathulate. Flowering time Apr.-June. Capsule 7-8 mm long, brown-speckled.
Plants 30-120 mm long. Leaves 30-100 x 0.5-1 mm. Flowers (25-)30-50 mm long, limb up to 16 mm across, violet with a yellow throat. Perianth tube c. 25-45 mm long, widened at the top to 1.5 mm in diam.; segments oblanceolate or oblanceolate-elliptical, 5-8 x c. 2 mm. Filaments c. 2 mm; anthers c. 3 mm long. Style as long as the perianth tube or slightly longer; stigmas c. 1 mm long, spathulate. Capsule 7-8 mm long.
Cormous geophyte, 3-12 cm, corm turbinate. Leaves 6-9, filiform. Flowers blue to violet with white or yellow centre, tube 25-45 mm.