Undershrub 10-20 cm tall. Stems woody, few-branched, 2-3 cm long. Leaves ensiform, 5-15 cm long, 1.5-2.5 mm wide, flat, finely veined, glabrous; margins villous, glabrescent, scarious at base. Scape 1-6 cm long, striate, glabrous or tomentose. Spathes narrowly elliptic, 3-4.5 cm long, glabrous or pubescent on keel, dark brown; margins c. 3 mm wide, scarious, hyaline. Involucre 5-7 mm wide; inner bract tips exserted. Tube 2.5-3.5 cm long, glabrous. Sepals broadly ovate, 1.5-2.5 cm long, 1.2-1.8 cm wide, blue-violet. Petals lanceolate. Filaments 4-6 mm long, completely connate. Ovary glabrous. Capsule ovoid-cylindrical, 2-2.5 cm long. Seeds cylindrical, 3-4 mm long, brown; aril linear, appressed.
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