Leaf 30–90 × 0.8–1.3 mm. Flower stem 40–180 mm tall, 1-flowered. Flowers 7–11 × 10–14 mm, whitish or pinkish, externally darker; labellum cream; lateral lobes with red bars; midlobe yellowish; calli yellow with red stalks; column green with red bars. Dorsal sepal 7–9 × 2.5 mm, incurved. Lateral sepals fused at base, 7–9 × 2.5–3 mm. Petals 7–9 × 2.5 mm, tips incurved. Labellum 5–5.5 × 5–6 mm; lateral lobes entire or slightly irregular; midlobe projecting, with 4–10 flat, short, yellow, marginal teeth. Calli in 2 rows nearly to base of midlobe. Column 5–6 × 2 mm.
Widespread but localised from coast to inland ranges; growing in heathland, heathy forest and open forest, often in moisture-retentive soils; also shallow soil over rock shelves.
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