Plants 100–22 tall. Free part of leaf 90–200 x 2–4mm. Spike 20–8 long, 4–10-flowered. Ovary shortly stalked, green, shiny. Flowers usually well spaced, lemon scented, 13–17 x 10–13mm, green to greenish-brown, petals white and greenish-brown, labellum white, callus yellowish-green. Dorsal sepal 8–9 x 2.8–3.2mm, decurved. Lateral sepals free, 8–9 x 2–2.5mm, erect, widely divergent, pointed. Petals 8–9 x 1.6–2mm, divergent, pointed. Labellum sessile, broadly ovate-lanceolate, sharply recurved near middle, 8–9 x 5–6mm, distal margins folded and wavy/crinkled. Callus elliptical, fleshy, ending at labellum bend, apex notched, minutely papillate.
Locally common, growing among low heath, sometimes adjacent to gypsum lakes; also in sparse to dense shrubland in freely draining red loam over sheet limestone.
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