Plants erect, to 400 mm, robust to slender; leaves cauline, closely imbricate, lanceolate to broadly lanceolate, acute to acuminate, stiff, glabrous, to 70 x 25 mm. Inflorescences subdense to dense spikes, to 270 mm; bracts to 30 x 8 mm. Flowers 20-100, rather fleshy in texture, c. 20 x 10 mm, sepals pink to pale mauve, petals the same colour but paler, lip keel white with irregular purple spots; ovaries to 20 mm long. Median sepal erect, shallowly concave, lanceolate, acute, 5-6 x 3-4 mm; lateral sepals oblique, shallowly concave, subacute, 7-8 x 3-4 mm. Petals fused basally to the gynostemium, obliquely ovate or elliptic-ovate, closely placed on each side of the gynostemium, obtuse, 6-7 x 3-5 mm. Lip spathulate, 8-16 mm long; limb scaphoid; blade c. 6 x 4 mm, strongly keeled, convex, usually trilobed with the midlobe exceeding, equalling or shorter than the side lobes; spur absent. Gynostemium c. 3 mm tall, erect; stigma pad-like with reduced midlobe; rostellum c. 1 mm tall, 3-lobed, lateral lobes bearing the viscidia, central lobe reduced.
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Herb, up to 400 mm high. Leaves many, lanceolate, up to 70 x 22 mm. Flowers: lip 3-lobed at apex, central keel white with purple spots; perianth pink to pale mauve; Sep.-Feb.