a dwarf deciduous herb, with spherical or ovoid tubers 1/2– 3/4 in. in diam.; leaf solitary, radical, petiolate, elliptic-ovate, acute, plicate; blade about 2 1/2 in. long, 1 in. broad; petiole 1 in. long, with a lanceolate acute sheath; scape appearing before the leaf, erect, 6–9 in. high, with 2 or 3 distant sheaths; raceme loosely 3–5-flowered; bracts narrowly linear, membranous, 1/3– 1/2 in. long; pedicels slender, 1/4 in. long; flowers spreading, medium-sized, pale-green, with some narrow radiating veins on the lip; sepals spreading, narrowly lanceolate, acuminate, about 3/4 in. long; petals rather broader than the sepals, otherwise similar; lip strongly 3-lobed, nearly as long as the sepals, cuneate at the base; side lobes broadly oblong, generally obtuse or rounded at the apex, erect; front lobe subulate-oblong, acute, longer than the side lobes, somewhat recurved; column clavate, very slender at the base, about 1/3 in. long, suddenly dilated at the apex; anther incumbent, hinged at the apex of the column; pollen granular; capsule ovoid or ellipsoid, shortly pedicelled, about 1/2 in. long. null