Perennial herb, geophyte, 0.3-0.5 m high; corm tunics of brown fibres; stem erect, simple or with 1 or 2 branches. Leaf 1, linear, canaliculate, usually dry and broken distally. Spathes herbaceous, apex dry, brown. Inflorescence with white to cream-coloured flowers; nectar guides yellow, with dark spots at edges; tepals unequal, outer 30-35 mm long, spreading horizontally, claw strongly ascending, inner 5-7 mm long, cusp-like, sometimes 3-lobed apically, acute. Stamens: filaments 7-8 mm long, united in cylindric column, free apically for ± 0.5 mm; anthers 5-6 mm long; pollen white. Ovary ± cylindric, ± 10 mm long; style branches up to 7 mm long; crests slender, up to 8 mm long. Flowering time Dec.-Mar.