Japan Flora: Terrestrial herb with slightly thick ened roots; stems 8-15 cm. long, erect, 2-leaved; leaves nearly radical, oblong, elliptic, or broadly oblanceolate, 6-10 cm. long, 1.5-4 cm. wide, rounded to acute, shortly sheathed at base; flowers 2-6, white; brae任 broadly lanceolate, 1-2 cm. long; sepals somewhat spreading, oblong, obtuse, 5-nerved, 8- 10 mm. long; petals narrowly oblong, very obtuse, with obsolete minute teeth on upper margins, as long as the sepals but slightly thicker; lip ascending, cuneate, as long as but thicker than the sepals, slighdy broadened and spreading at tip, about 3.5 mm. wide near the retuse apex; spur ellipsoidal, 3-4 mm. long. July-Aug. Grassy places in mountains;

Honshu (Kanto and n. distr.); rare.