Tufted evergreen herb. Rhizome short, 1-1.5 cm diam. Leaves basal, linear, lax, grass-like, 45-60 cm long, 1-1.5 cm wide. Scape usually absent, rarely to 8 cm tall. Spathes keeled, unequal, 8-14 cm long, herbaceous. Flower solitary, pale mauve, dark-veined, sessile. Perianth tube 10-20 cm long, exceeding spathes; segments long-clawed. Sepals recurved, 6-7 cm long, 2.5-3 cm wide. Petals erect, 7-8 cm long, 2 cm wide. Anthers 1.5 cm long. Style branches spathulate, c. 3 cm long; crests lanceolate, lacerate. Capsule oblong-trigonous, apiculate, c. 4 cm long. Seeds globose, c. 5 mm diam., rugose, brown.
Can be grown by divisions. Seeds needs stratification.