Japan Flora: Terrestrial herb; pseudobulbs ovoid, about 3 cm. long; leaves solitary, rarely 2, terminal on the pseudobulb, narrowly oblong, 25-45 cm. long, 4-5 cm. wide, long-acumi-nate, narrowed below to the petiole, often white- or pale yel-low-maculate, with 3 main nerves and intervening veinlets; scapes erect, 30-50 cm. long, terete, loosely few-sheathed; ra-cemes l(W0 cm. long, 10- to 2여flowered, sulcate, rather dense, the bracts thinly membranous, linear-lanceolate, 7-10 mm. long, acuminate; flowers pendulous, rose to rose-purple with a brownish tinge; sepak and petals linear-oblanceolate, 3-3.5 cm. long, 4-5 mm. wide, acuminate; lip about 3 cm. long, slightly broadened at base, erect, 3-lobed, the lateral lobes lanceolate, small, erect, the terminal lobe oblong, about 9 mm. long, truncate and slightly recurved at tip; column about 2.5 cm. long, slightly broadened at tip; capsules 2-2.5 cm. long, nearly sessile, pendulous. May-June. Woods in hills and low elevations in the mountains;

Hokkaido, Honshu, Shikoku, Kyushu; rather common. s. Sakhalin, s. Kuriles, and s. Korea.