Tufted herb. Leaves ensiform, 18-40 cm long, 4-11 mm wide, finely veined, glabrous; margins thickened, c. 1 mm wide, hard, glabrous, brown; bases often with deciduous brown tomentum. Scape 27-38 cm long, glabrous, clasped by 2 short pallid leaves. Spathes elliptic, 4.2-5 cm long, glabrous, dark brown; margins c. 2 mm wide, scarious, brown. Involucre 10-15 mm wide; inner bracts hardly exserted. Tube c. 3.5 cm long, lower two-thirds tomentose. Sepals ovate to orbicular, often apiculate, to 3 cm long, 2.5 cm wide, violet. Petals linear. Filaments c. 7 mm long, two-thirds connate. Ovary tomentose. Capsule cylindrical, 2.5 cm long. Seeds compressed-ovoid, 2-3 mm long, dark brown; aril absent.