plant 3/4–1 1/4 ft. high, with large oblong tubers and leafy stems; leaves 5–7, sessile, linear-oblong to ovate, subacute, somewhat fleshy, 1–5 in. long, 1/2–1 1/4 in. broad; racemes broadly oblong, rarely subcapitate, 2–4 in. long, dense, many-flowered; bracts ovate-lanceolate, acute or acuminate, 3/4–1 1/4 in. long; pedicels about 1 1/2 in. long; flowers large, green and white; dorsal sepal cucullate, elliptic-ovate, acute, 6–7 lin. long; lateral sepals obliquely semiovate, acute, with an acute tooth on the inner margin near the apex, about 1/2 in. long; petals 2-partite; upper lobe linear-lanceolate, acute, as long as the dorsal sepal; lower lobe linear-lanceolate, somewhat falcate, 7–8 lin. long; lip 3-partite, 3/4 in. long, with linear acute lobes; front lobe bent about the middle; side lobes rather narrower and more acute; spur 1 1/4–1 1/2 in. long, cylindrical, somewhat clavate near the apex; column 1/4 in. long, apiculate; rostellum cucullate, 1/4 in. long; front lobe apiculate; side lobes about 2 1/2 lin. long; stigmas 1/2 in. long, clavate at the apex, united to the combined base of the lip, petals and lateral sepals. null
