Perennial herb, geophyte, 0.4-0.9 m high; corm tunics of brown fibres; stem terete, glabrous or rarely woolly, flexed. Leaf 1, inserted just below inflorescence, canaliculate, or nearly terete with margins inrolled. Spathes green to light brown below, margins and apex dry and brown. Inflorescence with blue-violet flowers; nectar guides yellow; tepals spreading, reflexed, outer 25-30 mm long, inner 20-25 mm long. Stamens: filaments ± 5 mm long, united in lower 1/3; anthers 7 mm long. Ovary narrowly obovoid, 4-5 mm long; style branches ± 6 mm long; crests ± 5 mm long. Flowering time Nov.-Mar. Capsule rotund.
Cormous geophyte, up to 0.9 m high, occasionally pubescent. Leaf solitary, round, much longer than flowering stem, inserted on upper part of stem below flowers. Flowers: flowering stem inclining, with 2-4 branches; perianth with outer spathes brown, < 1/2 as long as inner, up to 25 x 10 mm, blue-violet with yellow nectar guides; Dec.-Feb. Fruit a spherical capsule.