Plants very variable in size (5-) 8-40 cm tall. Pseudobulb small, ovoid. Stem ± flexuous. Leaves unequal, approximate, blade of larger leaves. 2-10 x 1-4 cm, of smaller, 1.5-6 x 0.5-3 cm, elliptic to oblong or oblong-lanceolate obtuse or acute or subacuminate; sheathing petiole 2-6 cm long. Inflorescence 2.5-25 cm long. Flowers yellowish-green. Bracts slightly shorter than pedicelled ovary. Sepals subequal, 2-2.3 mm long, oblong-lanceolate. Dorsal sepal directed downwards, laterals upwards. Petals linear, spreading. Labellum fleshy, broadly ovate, 2 mm long, basal portion excavated, obscurely angled on either side of base, apex acuminate. Pedicelled ovary up to 3 mm long, pedicel twisted.