Terrestrial, semi-robust herb, with subterranean, moniliformous rhizomes, 0.19-0.92 m high. Leaves up to 690 mm long, mature at anthesis. Inflorescence lax, 6-25-flowered. Flowers with sepals green mottled brownish purple, veins brownish purple, petals white, veins pink-purple, lip white flushed cerise, side lobe veins cerise-purple, cream-coloured to yellow. Sepals: median sepal 9-13 mm long, oblong, apiculate; lateral sepals similar. Petals spreading, subequal, shorter than median sepal. Lip 3-lobed, base united with gynostemium, crests distinct, cream-coloured to yellow with many papillae; mentum absent; spur slender, 2-4 mm long. Gynostemium 4-7 mm long. Flowering time Nov.-Feb.
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