Plants 300–50 tall. Free part of leaf to 200 x 5–9mm. Spike 80–12 long, 10–40-flowered. Ovary shortly stalked. Flowers crowded, opening widely, scented, 8–12 x 7–10mm, greenish or light brown with red, pink or mauve tones, labellum white or pink, callus green to brown. Dorsal sepal 6–8 x 3.5–4.5mm, incurved. Lateral sepals free, 7–9 x 2.5–3mm, erect and incurved, divergent. Petals 6–7 x 2–2.4mm, porrect to incurved, often with crinkled margins. Labellum shortly stalked, broadly ovate with short tail-like apex, 6–7 x 5–6.5mm, sharply recurved above middle, margins strongly wavy/crinkled. Callus broad, raised, fleshy, shiny, often warty, extending just beyond labellum bend.
Highly localised on stabilised dunes and swales close to sea, growing in or adjacent to coastal scrub, sedgy patches and heath in calcareous sand and seasonally moist sand over red loam.
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