Plants 120-300 mm long. Corm tunics with grooved, bent, basal teeth. Leaves basal, filiform, usually arcuate, 120-300 x c. 1 mm, with the adaxial groove often open up to 30 mm from the tip. Bracts green in the centre of the upper half, often submembranous below, with wide, mostly fawn-coloured membranous margins and tips. Flowers 20-35 mm long, rosy-magenta, with a narrow blue transverse band, cup buttercup-yellow with a brown base, outer segments with 5-7 violet veins and fine feathered veining, or reddish purple or irregularly marked. Perianth tube 3-4 mm long; segments usually obtuse, 15-28 x 8-15 mm. Filaments 4 mm; anthers 3-5 mm long, violet, later yellow with incurved tips, pollen brown or rust-coloured. Style 5-7 mm with acuminate, often violet branches; stigmas minute, terminal, with a tuft of long papillae. Capsule on a spirally coiled peduncle when dry.
Cormous geophyte, mostly 80-120 mm tall, corm round at base with curved acuminate teeth. Leaves several, narrowly 4-grooved. Flowers magenta with a narrow blue band around the yellow cup, brown at base, pollen brown; outer bract submembranous below with wide hyaline margins and tips, inner bract with wide hyaline margins; fruiting peduncles recurved, later coiled.