Herb forming large tufts. Leaves linear-ensiform, ±lax, 18-45 cm long, 4-9 mm wide, flat, finely striate, glabrous or papillose, slightly glaucous; margins pubescent to glabrous. Scape 22-50 cm long, smooth, pubescent near top. Spathes elliptic, 4.3-6.8 cm long, prominently veined, very sparsely silky, pale brown. Involucre 11-15 mm wide; inner bracts enclosed. Tube 2.5-3 cm long, lower half pubescent. Sepals obovate to elliptic, 3-4 cm long, 2.5-3 cm wide, pale violet. Petals lanceolate. Filaments 5-6 mm long, completely connate. Ovary pubescent. Capsule cylindrical, acute, 3-4 cm long. Seeds globose, c. 4 mm diam., wrinkled, with large pit, pale brown; aril absent.