Plants 200–350 mm tall. Free part of leaf to 150 × 2–4 mm. Spike 50–80 mm long, 6–20-flowered. Ovary shortly stalked, bright green, shiny. Flowers crowded, strongly scented, 14–18 × 8–10 mm, green to purplish, petals white and green to purplish, labellum white, callus yellowish green. Dorsal sepal 6.5–10 × 3–5 mm, decurved, with 3 dark veins. Lateral sepals free or basally fused, each sepal 8–10 × 1.5–2.2 mm, erect, parallel. Petals 7–8 × 1–1.5 mm, porrect to spreading. Labellum sessile, broadly elliptical, recurved near middle, 7.5–9.5 × 4.5–6 mm, distal margins entire or weakly wavy/crinkled. Callus flattish, narrow, shiny, ending at labellum bend, apex not notched.
Restricted to relatively sparse shrubland over deep, white sand; this habitat is adjacent to towering, unstable, windblown coastal sand dunes that are constantly moving and engulfing the adjacent vegetation.
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