Stem strong, leafy (base not seen). Leaves lanceolate-oblong, acute, amplexicaul, 3–5 1/4 in. long, 1–2 1/4 in. broad. Racemes about 7-flowered. Bracts lanceolate or oblong-lanceolate, acuminate, 1 1/4–2 in. long. Pedicels 2–3 in. long. Dorsal sepal ovate, shortly acuminate, 8–9 lin. long; lateral obliquely cuneate-obovate, apiculate below the apex, 14 lin. long, adnate 1/2 its length to the base of the lip, stigmatic processes, and the anterior lobe of the petals. Petals bipartite; posterior lobe narrowly linear, as long as the dorsal sepal and united to the edge of it; anterior lobe narrowly elongate-linear, 2 1/4 in. long. Lip deeply trilobed; claw 1 in. long, the upper third free; side lobes similar to the anterior lobe of the petals, 2 1/2 in. long; front lobe 1 1/2 in. long; spur slender, 6 in. long, slightly thickened near the apex. Stigmatic processes 1 1/4 in. long; apex subspathulate, recurved. Anther channels slender, 3/4 lin. long. Rostellum cucullate, apiculate, 4 lin. long. Staminodes oblong, 1 lin. long.
