Tufted herb or almost shrubby. Leaves linear, often spirally twisted, 10-30 cm long, 1.5-4 mm wide, biconvex with papillose grooves; margins minutely pubescent, brown, sparsely pilose or tomentose towards base. Scape to 27 cm long, striate, glabrous or sparsely pubescent, clasped by 1 reduced leaf. Spathes lanceolate, 3.2-6 cm long, grooved, glabrous, green; margins 1.5-3 mm wide, scarious. Involucre gaping; inner bracts exposed. Tube 3-4.5 cm long, glabrous or pubescent. Sepals obovate, 1.5-2.5 cm long, 1.2-2 cm wide, pale violet. Petals narrowly lanceolate. Filaments 2-4 mm long, two-thirds connate. Ovary pubescent. Capsule ovoid-oblong, 1.5-3 cm long. Seeds compressed-ovoid, 4 mm long, black; aril linear, appressed.
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