Small, slender, densely caespitose, epiphytic herbs up to 30 cm. tall. Pseudo-bulbs 2.5-12 cm. long and 0.1-0.6 cm. in diameter, the upper part swollen and fusiform, the lower part forming a slender stipe, 1-or usually 2-, leaved. Leaves 5-14 cm. long and 0.1-0.3 cm. broad-, linear, obtuse, the apex usually bilobed. Inflorescence a short, terminal, few-flowered raceme, much exceeded by the leaves. Flowers small, usually white with a dark lip. Sepals 3-4 mm. long and 1.4-1.8 mm. broad, lanceolate to ovate-lanceolate, acuminate. Petals 3-4 mm. long and 1.4-2 mm. broad, lanceolate or lanceolate-oblong, acute. Lip 3-4 mm. long and 2.5-4 mm. broad, oblong or oblong-subquadrate, pandurate, acute or retuse and apiculate.