Perennial herb, geophyte, 0.10-0.25 m high; stem suberect, often subterranean or extending above ground, velvety, usually 1-or 2-branched. Leaves ensiform, plicate, firm, hairy. Bracts green with dry brown apices, divided to base, inner slightly shorter to ± half as long as outer. Inflorescence an erect spike; flowers zygomorphic, white to mauve; lower tepals partly cream-coloured to yellow, with darker red to purple markings near base; perianth tube ± cylindrical, slightly flared in upper half, as long as or shorter than tepals; tepals subequal. Stamens unilateral; filaments arched; anthers blue to blackish, linear to ± arrow-shaped; pollen cream-coloured. Ovary hairy in upper half; style divided between base and middle of anthers; branched with prominent, spathulate apex. Flowering time Aug.-Oct.
Cormous geophyte, 15-25 cm. Leaves lanceolate, hairy. Flowers zygomorphic, white to pale blue to mauve with yellow markings, fragrant, inner bracts divided to base, ovary hairy.