Japan Flora: Roots slightly thickened, slenderly cylindric; stems 20-60 cm. long, 4- to 7-leaved; leaves alternate, elliptic to narrowly oblong, 7-15 cm. long, 2-6 cm. wide, rounded at apex, slightly plicate, the upper 1 or 2 leaves small, broadly lanceolate, acuminate; spikes mostly many-flowered, 5-15 cm. long; bracts lanceolate, green, usually conspicuously longer than the flowers; flowers pale rose; sepals 3-nerved, narrowly ovate, rather obtuse, ascending, about 5 mm. long; petals obliquely ovate, shorter than the sepals; lip broadly cuneate-ovate, slightly longer than the sepals, 3-lobed at apex, the lateral lobes narrowly ovate, obtuse, the terminal lobe rather short; spur prominendy curved, 2-5 mm. long, narrowed toward the obtuse apex. May-June. Woods in mountains;

Hokkaido, Honshu (centr. distr. and northw.), Shikoku. Kamchatka and Sakhalin.