Leaves 2 or 3, 50–160 × 3–8 mm, folded. Flower stem 150–300 mm tall, 1–5-flowered. Flowers 20–25 mm across, yellow heavily marked with red to red-brown; petals yellow, dorsal sepal yellow suffused with brown, labellum lateral lobes yellow with brown or red-brown tips, midlobe mostly red or brown. Dorsal sepal erect, 6–8 × 6–9 mm. Lateral sepals deflexed, crossed and recurved, 11–16 × 1.5–2.5 mm. Petals obliquely erect; stalk 3–4 mm long, curved, blackish; blade elliptical, margins often wavy, 10–14 × 7–9 mm. Labellum 4–5 mm long; lateral lobes 5–6 × 3–4 mm; midlobe flattish, margins shallowly downcurved, narrowly wedge-shaped when flattened, 4–4.5 × 4–4.5 mm. Callus ridge 1, 3–4 mm long, yellow.
Currently known from a single locality, where it grows among sedges and low shrubs in moist to wet, black, peaty soil and sandy clay around the margins of a swamp.
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