Pseudobulbs 1–2 1/2 in. apart on a stout rhizome, elongate, subterete, gradually narrowed upwards, 3–3 1/2 in. long, 2-leaved. Leaves oblong-linear, subobtuse, 4 1/2–7 in. long, 5–10 lin. broad. Scape erect, 1 1/4–2 1/4 ft. high; spike dense, 3 1/2–4 in. long. Bracts distichous, ovate or ovate-oblong, acute, carinate, concave, imbricate, 4–5 lin. long. Dorsal sepal triangular-lanceolate, attenuate upwards and acute, glabrous, somewhat fleshy, 2 1/2–3 lin. long; lateral ones similar, but narrower. Petals subulate-linear, acute, erect, subfalcate, glabrous, 1 lin. long. Lip spathulate-ligulate, obtuse, strongly ciliate, flat, 2 lin. long; base not auriculate; disc with a narrow central keel. Column 1/3 lin. long; teeth subulate, acute, 1/3 lin. long.