Perennial herb, geophyte, 0.4-0.6 m high; corm tunics of grey-brown, reticulate fibres extending to neck; stem simple. Leaves lanceolate to linear, reaching base of spike, 5-10 mm wide, margins and midribs hyaline, thickened. Bracts reddish brown when dry, laxly arranged, inner shorter, forked. Inflorescence a spike; flowers purple-pink, zygomorphic; perianth tube funnel-shaped, 6-8 mm long; tepals narrowly ovate, 16-20 mm long. Stamens unilateral, arcuate to horizontal below upper tepal; filaments 9-14 mm long; anthers 6-8 mm long. Ovary with style arched over stamens; style branches recurved. Flowering time Nov.-Apr. Capsule obovoid.