Terrestrial herb, geophyte, up to 0.4 m high; with globose root tubers. Leaves many, cauline, acuminate, up to 45 x 12 mm. Inflorescence dense, racemose; flowers 25-50, spreading, resupinate, green to yellowish green. Sepals unequal; median sepal horizontal, 4 mm long, forming hood; lateral sepals spreading, deflexed. Petals undivided, lanceolate, falcate, narrower than median sepal. Lip narrowly oblong, undivided, 5-7 mm long, fleshy, pendent, widest at base; spur 8 mm long, curved, apex inflated. Flowering time Nov.-Feb.
Stout, tuberous geophyte to 40 cm. Leaves many, cauline, lanceolate. Flowers in a dense raceme, green, petals obliquely lanceolate, lip oblong with bulbous spur ± 8 mm long, stigmas ± 1 mm long.