Terrestrial herb, slender, geophyte, 0.1-0.4 m high; root tubers present. Leaves cauline, imbricate, linear to lanceolate, up to 190 mm long, grading into floral bracts. Inflorescence a dense, cylindrical raceme; flowers 15-40, imbricate, resupinate, purple, lip and petals with white blotch. Sepals 4-7 mm long; median sepal galeate, angled forwards; lateral sepals spreading forward; spur dorso-ventrally flattened, horizontal, emarginate, 2-6 mm long. Petals included in galea. Lip strap-shaped, 4-5 mm long, widest at apex. Flowering time Nov.-Mar.
Herb, up to 0.4 m high, without separate sterile shoots. Leaves erect, imbricate, linear to lanceolate. Flowers: spur thin, dorsiventrally flattened, grooved, 2-6 mm long, sharply ascending; sepals 4-7 mm long, dorsal sepal angled forwards; lip lorate, 4-5 mm long; viscidia 2 on a 3-lobed rostellum; perianth purple with apices of petals and lip white; Nov.-Feb.
Terrestrial herb, up to 400 mm tall. Spur dorsoven-trally flattened, 2-6 mm long. Sepals 4-7 mm long, dorsal sepal angled forwards. Lip lorate, 4-5 mm long. Flowers purple with apices of petals and lip white.