Perennial herb, geophyte, 0.45-0.80 m high; corm tunics of dark brown, fine, reticulate fibres; stem usually with several secund branches. Leaf 1, linear, canaliculate. Spathes herbaceous, apex dry, brown. Inflorescence with white flowers; outer tepals flushed pale blue-lilac, grey to purple on reverse; inner tepals, claws and nectar guides yellow, with brown spots; tepals unequal, outer ± 20 mm long, lanceolate, spreading to slightly reflexed, claw bearded on inner surface, ± pubescent on reverse, inner tepals 8-10 mm long, tricuspidate, erect, obtuse, central cusp linear, acute, curving inwards. Stamens: filaments 6-7 mm long, free 1 mm above; anthers 4-5 mm long. Ovary ± cylindric, 5-6 mm long; style branches ± 4 mm long; crests linear, 2-3 mm long. Flowering time Nov.-Feb. Capsule obovoid.
Cormous geophyte, up to 350 mm high. Leaf solitary; blade 4 mm wide. Flowers: borne all on one side; crests linear, 2-3 mm long; perianth with outer segments narrowly ovate-obovate, ± 20 mm long, reflexed, inner segments upright with long lateral cusps obtuse, slender, acute central cusp curving outwards in a wide arc, white, inner segments, claws and nectar guides yellow with brown spots; Nov.-Mar.
Cormous herb, up to 350 mm tall. Filaments 6-7 mm long. Style branches about 4 mm long, crests linear, 2-3 mm long. Outer tepals about 20 mm long. Inner tepals upright with long lateral cusps obtuse and slender, acute central cusp curving outwards in a wide arc. Flowers white, innertepals, claws and nectar guides yellow with brown spots.