Rosette leaves 4–8, ovate-lanceolate, 10–30 x 7–15mm. Flower stem 100–20 tall, 2– across, 2–10-flowered. Stem bracts 2–3. Flowers porrect to semi-nodding, 20–26 x 4–6mm, translucent white with green or brown markings. Dorsal sepal point filamentous, 8–1 long, porrect. Lateral sepals about as wide as hood or slightly wider, flat to shallowly concave, sparsely hairy, margins incurved; free points filamentous, 15–2 long, decurved, parallel or divergent. Petals with large basal flanges blocking off base of opening, 12–14 x 2–3mm. Labellum narrowly cuneate, 4–5 x 1.5–2mm, pale brown or green, tapered from near base, thick, fleshy, narrowly channelled; margins with 10–16 incurved bristles to long; basal lobe broad, thick, glabrous or with tuft of bristles to long.
Widespread in N inland areas and locally common in good seasons, growing among grasses and forbs in native pine woodland in red loam, beside ephemeral watercourses in shallow stony soils and on rocky slopes and gorges.
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