Densely tufted herb. Leaves ensiform, 15-40 cm long, 2-7 mm wide, flat, glabrous, ±glaucous; margins glabrous or tomentose near base. Scape 12-40 cm long, clasped by 1 reduced leaf. Spathes triangular, 2.5-3.2 cm long, prominently veined, dark brown. Inflorescence 16-24 mm wide, gaping; inner bracts exposed, similar to spathes. Tube 2-2.5 cm long, lower half tomentose. Sepals broadly elliptic, obtuse, 2-3 cm long, 1.8-2.7 cm wide, blue-violet. Petals cuneate. Filaments 4-5 mm long, completely connate. Ovary tomentose. Capsule ovoid-cylindrical, c. 2 cm long. Seeds cylindrical, c. 2.5 mm long, wrinkled, with large pit, brown; aril absent.
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