Leaves 6–13, 50–100 × 1–2 mm, straight. Flower stem stiffly erect, 200–450 mm, 2–7-flowered. Flowers 20–25 mm across, pale yellow with a few red-brown markings and callus outline. Dorsal sepal obliquely erect, 10–13 × 7–8 mm. Lateral sepals obliquely deflexed below labellum, scimitar-shaped, 12–16 × 4–5 mm. Petals obliquely erect or recurved; stalk 3–5 mm long, brown; blade 9–12 × 6–8 mm. Labellum 10–12 mm long; lateral lobes 3.5–5 × 4 mm, irregularly toothed; midlobe flat, rhomboid when flattened, 8–10 × 7–9 mm. Callus ridges 2, 4–6 mm long.
Rarely seen and occurring in scattered, small colonies; growing in seasonally moist, grassy areas in sandy soil and sandy-clay loam; sometimes also on edges of wet depressions and swamps.