Perennial herb, geophyte, 1.0-1.8 m high, stem solitary or tufted, robust; corm 30-40 mm in diam. Leaves linear, apiculate; radical leaves 500-900 x 4-11 mm; reduced sheathing leaves 4 or 5. Flowering stem 0.9-1.8 m high. Bracts brown, 23-34 x 10-12 mm, elliptic-lanceolate, acute, flecked. Inflorescence a raceme of spikes, with 4-8 branches. Perianth magenta-pink or purple-red, 35-54 mm long; tube mainly 10.0-15.5 mm long; tepals 23-39 x 10-19 mm. Anthers 8-11 mm long. Flowering time Nov.-Mar.