Plants 150-400 mm long. Corm obovoid, tunics with almost straight, acuminate basal teeth converging to a basal point. Leaves basal, filiform or X-shaped in transverse section, 140-400 x 0.8-4.0 mm, grooves narrow or wide. Bracts greenish or purplish red, inner with wide, brown, brown-streaked, or rarely colourless membranous margins. Flowers 22-35(-42) mm long, magenta-pink to lilac-pink, with a dark blotch on each segment, cup yellow or orange-yellow, outer segments purplish pink or greenish on the backs or with 5 dark lines and fine, feathered veining. Perianth tube 3-5 mm long; segments 20-35 x 5-10 mm. Filaments 3-6 mm; anthers 4-8 mm, reaching less than halfway up the perianth. Style 9-11 mm; stigmas usually not overtopping the anthers. Capsules often shortly beaked, on erect or slightly spreading peduncles.
Cormous geophyte, 5-12 cm, corm pointed at base with coarse, straight teeth. Basal leaves 2-several. Flowers magenta to lilac with dark blotches at edges of yellow cup.