Japan Flora: Roots elongate; stems 20-40 cm. long, rather slender; leaves 2, radical, oblong to elliptic, 5-12 cm. long, 3-5 cm. wide, obtuse to abruptly acute, lustrous, abruptly nar­rowed to base, somewhat spreading, the upper leaves small, sev­eral, ascending, loose, broadly lanceolate, 5-10 mm. long, acute; racemes rather loosely 5- to 10-flowered; bracts spread­ing; flowers pale green; dorsal sepal ovate to ovate-elliptic, 3- nerved, obtuse, 5-6.5 mm. long, the lateral sepals falcate, lance­olate, 3-nerved, obtuse, 7-8 mm. long, reflexed; petals deltoid- ovate, about 7 mm. long, slightly shorter than the median sepal, oblique, abruptly narrowed at tip, only slightly thick­ened at apex, 2-nerved; lip broadly linear, obtuse, 7-10 mm. long; spur 1.5-2 cm. long, incurved, gradually narrowed toward the apex; rostellum broad.----- Aug.-Sept. Woods in mountains; Honshu, Shikoku, Kyushu; rather rare.