2n = 36

Plant at fl. to 6 cm. tall. Stem erect. Green lf to c. 4–(5) × 3 cm., often smaller, sessile, long-ovate, acuminate, cordate at base, membr., ± blotched with red, margins ± undulate. Floral bract > ovary, acuminate. Dorsal sepal to 4 cm. long, much longer than labellum, erect then almost horizontal, gradually tapering to filiform tip; lateral sepals long, filiform, greatly exceeding labellum. Petals similar to lateral sepals. Labellum auriculate at base, lamina abruptly deflexed, squarish when flattened, contracting suddenly into a narrow apiculus, margins inclined to fold downwards, finely denticulate or erose, the denticulations ornamented with short, stiff, blunt hairs; similar hairs or hair-like calli covering the inner face of the lamina and becoming more acute and retrorse towards the throat.