Perennial herb, geophyte, 0.1-0.3 m high; corm tunics of dark brown to black fibres; stem erect, flexuose, several-branched. Leaves 2-4, canaliculate, linear. Spathes herbaceous, apex dark brown, attenuate. Inflorescence with blue or violet flowers; nectar guides yellow; tepals lanceolate, with reflexed claws, outer 16-23 mm long. Stamens: filaments united in lower half, 4-6 mm long; anthers ± 5 mm long, appressed to style branches; pollen whitish. Ovary globose, 4-5 mm long; style branches ± 5 mm long; crests erect, prominent. Flowering time June-Oct. Capsule oblong to broadly obovate.
Cormous geophyte, 150-450 mm tall, much branched. Leaves 2-4, linear, channelled. Flowers enclosed in green spathes, blue with yellow markings, tepals subequal, limbs lightly reflexed, filaments united in lower half, style branches narrow, crests erect.
Cormous geophyte, 15-45 cm. Leaves 2-4, linear, channelled., stems much branched. Flowers blue, occasionally yellow.