Japan Flora: Rhizomes short and thick; leaves 2 or 3, narrowly obovate-oblong, 15-25 cm. long, 4-6 cm. wide, acute, petiolate, glabrous; scapes 30-50 cm. long, puberulent in upper part, with 1 or 2 sheathing scales; racemes 5-15 cm. long, loosely about 10-flow- ered, the bracts lanceolate, 5-10 mm. long, scarious; sepals spreading, narrowly ovate, 15-20 mm. long, acute or mucronate, narrowed towaid the base, dark brown to greenish; petals slightly smaller than the sepals, obovate-spathulate or narrowly ovate; lip flabellate, as long as the sepals, rose or white, deeply 3-lobed, with 3 median ridges, the lateral lobes ascending, broadly cuneate, entire, the terminal lobe broadly
cuneate, bifid; spur 5-10 mm. long. Woods in foothills;

Hokkaido (sw. distr.), Honshu, Shikoku, Kyushu; common.

var. bicolor (Lindl.) Makino. Flowers larger, not fully expanding; terminal lobe of lip not prominently lobed. Apr.-May. Kyushu.
f. sieboldii (Decne.) O hwi.Flowers clear yellow.