pseudobulbs ovoid or oblong, 1–1 1/4 in. long, 3–4-leaved; leaves elliptic-oblong or ovate, acute, loosely sheathing at the base, limb 1 1/4–4 1/2 in. long, 3/4–2 1/2 in. broad, undulate, membranous, with 5 to 7 prominent nerves; scapes 2 1/2–8 in. high; racemes lax, about 4–12-flowered; bracts acuminate from a broad amplexicaul base, 1/6– 1/2 in. long; pedicels 1/3– 1/2 in. long; dorsal sepal narrowly linear-oblong, obtuse, 1/3– 1/2 in. long, with revolute margins; lateral sepals falcate-oblong, obtuse, twisted, 1/3 in. long; petals linear, obtuse, 1/3– 1/2 in. long, with revolute margins; lip subsessile or shortly clawed; limb recurved, ovate-orbicular, obtuse, concave, 1/3 in. long, with a pair of erect calli near the base; column arcuate, 1/5 in. long. null
