Leaf linear-lanceolate, 40–100 × 6–8 mm. Flower stem 80–250 mm tall, wiry, 1-flowered. Flowers 40–50 mm across, yellowish green with red central stripes; sepals and petals with moderately thick, brown clubs 6–25 × 3 mm, petal clubs shorter than sepals. Dorsal sepal erect, 40–55 × 2–3 mm, incurved. Lateral sepals obliquely deflexed, 40–55 × 3–3.5 mm, ± parallel. Petals obliquely deflexed, 30–40 × 1.5–2 mm. Labellum delicately hinged, 17–20 × 18–20 mm, pale green with a white central patch and maroon apex; basal margins with 4–6 pairs of erect comb-teeth to 6 mm long; midlobe margins with 5–8 pairs of short, blunt teeth to apex; tip recurved. Basal calli c. 4 mm long. Lamina calli to 3 mm long, maroon, in 4 crowded rows onto base of maroon patch. Column 12–14 × 5.5–6.5 mm, transparent with pink to red flecks and streaks; basal glands obovoid, c. 3 mm long, yellow with a reddish basal stalk, shiny.
Highly localised and rare; growing in woodland dominated by large trees of White Cypress Pine with a sparse understorey of grasses and forbs in freely draining, red-brown, sandy soils and sandy clay loams.
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