Rosette leaves 6–10, oblong to elliptic, 10–30 x 5–15mm. Flower stem 150–30 tall, 1.5– across, 1–6-flowered. Sterile bracts 2–5. Flowers widely spaced, porrect, 33–35 x 7–8mm, glabrous, hood transparent with pale red-brown lines and markings, lateral sepals wholly red-brown, petals transparent with red-brown lines. Dorsal sepal point filamentous, 5–1 long, upcurved. Lateral sepals reflexed back towards ovary, about as wide as hood, flat or shallowly concave, margins nearly flat, glabrous; free points filamentous, 15–1 long, divergent. Petals with large basal flanges that do not meet, 11–13 x 3.5– wide. Labellum oblong, thick, tapered sharply to blunt apex, 3.8–4.2 x 1.6–1.8mm, brown, broadly grooved, densely covered with siliceous cells; marginal bristles 10–16, to 2. long; basal lobe erect, with 8–12 projecting white bristles c. long.
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