Plants terrestrial, up to 0.1 m high. Leaves 2 or 3, spreading near soil surface, broadly ovate, acute, firm, 20-47 x 15-45 mm. Inflorescence a lax raceme, 7-20-flowered. Flowers green; ovary 5-15 m long. Sepals unequal; median sepal reflexed, 4-5 x 1.5 mm, margins rolled; lateral sepals oblong, oblique, facing each other, 4 x 2 mm. Petals linear, margins inrolled, spreading downwards, 4 x 1 mm. Lip oblong, widened in middle, emarginate, deeply concave with small callus at base, 4 x 2 mm. Flowering time Apr.-July.
Terrestrial herb to 10 cm, with pseudobulbs largely subterranean. Leaves 2 or 3, ovate, spreading. Flowers many in a dense raceme, green, lateral sepals oblong, 4 mm long, lip oblong with obscure side lobes, emarginate.