Rhizome creeping. Pseudobulbs contiguous, nearly flattened globose, 3-5 cm, ca. 8 mm in diam., apex 1-or 2-leaved. Leaf blade linear or narrowly oblong, 1.5-4.5 × 0.3-0.8 cm, base slightly contracted and with sheaths, articulate, apex obtuse or acute. Inflorescence arising from base of pseudobulb, 5-10 cm, slender, with several sheaths; rachis 1-2 cm, many flowered; floral bracts elliptic, ca. 2.6 mm. Flowers white, opening widely; pedicel and ovary 2.5-3 mm. Dorsal sepal triangular-ovate or triangular-oblong, 2-2.5 × 1-1.3 mm, obtuse; lateral sepals subtriangular or ovate-triangular, oblique, ca. 2.5 × 2 mm. Petals oblong-ovate, 1.7-2 × ca. 1 mm; lip ovate-cordate, 1.5-2 mm, base shortly clawed and with a shallow sac. Column short, foot distinct. Fl. Jun-Jul.