Small terrestrial herbs up to about 3.5 dm. tall. Leaves basal, 5-12 cm. long and 1.2-3.5 cm. broad, petiolate, variable, elliptic to oblong to oblanceolate to oval or subcordate, acute or obtuse, membranaceous. Inflorescence a few-several-flowered raceme on a bracteate peduncle, pubescent. Flowers small, white. Dorsal sepal 4.5-7 mm. long and 1.5-2.5 mm. broad, elliptic to broadly oblanceolate, acute, pubescent dorsally. Lateral sepals 4.5-7 mm. long and 2-5 mm. broad, obliquely ovate, acute or obtuse, pubescent dorsally. Petals 4-6.5 mm. long and 1-3 mm. broad, oblique and with the anterior margin developed into a large sub-basal auricle or angle, unguiculate, obtuse. Lip 2-5 mm. long, trilobulate, un-guiculate, attached near the apex of the column; the lamina from obovate in outline to transversely oblong, with 2 calluses near the base, mid-lobe small, about 0.5 mm. long; claw thickened.