Corm 5-6 x 4-5 cm; tunic dark brown, coriaceous, with a long neck. Leaves 3-4, up to 35 cm x 140 mm, developing after anthesis, strongly plicate, ovate to elliptic-ovate, acute to acuminate, glabrous. Flowers 1-4, infundibuliform; perianth-segments up to 45 x 22 mm, tessellated, lilac- purple, often paler or white at the base, oblong-elliptical, acute. Filaments up to 20 mm; anthers 8-10 mm, purple; pollen green. Styles shortly curved at apex; stigmas decurrent. Capsule up to 50 mm, ovoid.