Japan Flora: Pseudobulbs about 6 mm. across; scapes 20- 30 cm. long, slender, terete, naked, with 1 or 2 sheathing scales at base; leaf radical, erect, linear-lanceolate or broadly linear, 6- 15 mm. long, 4-8 mm. wide, gradually narrowed at both ends; flowers 1 (rarely paired), the bracts deltoid, thinly membra-nous, 2-3 mm. long; sepals oblanceolate, subacute, rose-purple, nearly erect, 2-2.5 cm. long, 5-nerved; petals nearly as long but slightly narrower than the sepals; lip as long as the sepals, obovate-oblong, denticulate, obsoletely 3-lobed, rounded to truncate at apex; column about 2 cm. long; ovary linear, 1-15 cm. long, (to 2.5 cm. in fruit), nearly sessile, erect. July. Bogs;

Hokkaido, Honshu (centr. and n. distr.). s. Kuriles.

var. conformis (F. Maekawa) F. Maekawa. Flowers erect, tubular; sepals 13-17 mm. long; lip flat, entire, broadly oblanceo-late. July. Bogs; Honshu; rare.