Japan Flora: Terrestrial herb with ovoid tuberė´is roots; stems slender, 8-15 cm. long, suberect; leaves 2 or 3, rarely 4, linear to broadly so, 7-12 cm. long, 3-8 mm. wide, acute to acuminate, gradually arcuate toward tip, nearly flat; racemes one-sided, few-flowered; bracts narrowly lanceolate, 7-12 mm. long; flowers rose-pnrple; sepals oblong, obtuse, 1-nerved, about 6 mm. long, the dorsal sepal navicular, the lateral ones oblique; petals obliquely ovate, obtuse, erect, as long as the sepals, 1- rarely 2-nerved, forming a hood with the median sepal; lip ascending, longer than the sepals, rather deeply 3-lobed, the lobes ovate, the terminal lobe slightly larger, entire or retuse; spur 1-1.5 cm. long, straight or nearly so. June-Aug. Shaded rocky cliffs in mountains;
Honshu (Kanto Distr. and westw.), Shikoku, Kyushu; rather rare. Korea.
Japan Flora: Roots somewhat ellipsoidal; stems erect, 5-15 cm. long, slender, 2-leaved; leaves alternate, cauline, linear to broadly so, 5-10 cm. long, 5-8 mm. wide, arcuate-recurved at the acuminate tip; spikes 2-3 cm. long, rather densely 2- to 10-flowered, secund; bracts green, linear, 5-10 mm. long, acuminate, broadened at base; flowers rose-purple; sepals oblong, obtuse, 1- or sometimes 3-nerved, the lateral sepals spreading, 6-65 mm. long; petals obliquely ovate, about 5 mm. long; lip 8-10 mm. long, 3-lobed, the lateral lobes ascending, the terminal lobe larger, entire, elliptic, 4-5 mm. long; spur short-cylindric, about 3 mm. long; capsules short-pedicelled. June-July. Rocks in mountains;