Epiphytic herbs. Stems spreading to pendent, enclosed in leafsheaths, many-leaved. Leaves terete, fleshy, obtuse, 5–15 cm long, 2 mm in diameter, articulate to a sheathing base. Inflorescence lateral, up to 10 cm long, piercing leaf-sheaths, racemose, many-flowered; floral bracts 2 mm long, triangular shorter than ovary. Flowers white, labellum midlobe lilac. Sepals free, 2.2 × 1.6 mm, lateral sepals slightly larger than dorsal sepal, ovate-elliptic, obtuse. Petals 2 × 1 mm, ovate, rounded. Labellum adnate to column base, spurred, trilobed, side lobes 0.3 mm long, broadly ovate, erect, rounded, midlobe 1 mm long, ovate, cymbiform, acute and incurved; spur 3.0–3.5 mm long, cylindrical-clavate, dilated toward apex, interior with a Y-shaped callus on back wall but without septum. Column without a foot; pollinia four in two pairs, waxy, semi-globular, each pair with a caudicle, attached by a common lanceolate stipe to an oblong viscidium about 0.5 × 0.4 mm; stigma concave.