Plants 200–35 tall. Free part of leaf to 120 x 3–5mm. Spike 30–5 long, 3–10-flowered. Ovary shortly stalked, green, shiny. Flowers well spaced, unscented, 9–13 x 5–8mm, greenish-brown, petals prominent, white and mauve to purple, labellum white, callus yellowish-green. Dorsal sepal 5–8 x 3–4mm, decurved. Lateral sepals free or fused, base humped, obliquely erect behind labellum, each sepal 5–8 x 1.5mm, parallel. Petals 5.5–10 x 1–1.5mm, incurved. Labellum sessile, 5.5–8.5 x 3–5mm, sharply recurved near middle, margins weakly crinkled. Callus ending just beyond labellum bend, apex papillate, notched.
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