Japan Flora: Perennial herb with long creeping rhizomes; stems terete, reddish above the base, 50-100 cm. high, rather stout, usually simple, erect, glabrous or loosely pubescent on upper part; leaves broadly lanceolate to narrowly ovate, 2-5 cm. wide, acuminate, entire, often short-pilose on upper side, pde green and usually glabrous beneath, with pale inner glands, sessile or snbsessile; racemes densely many flowered, erect, 10-20 cm. long in anthesis, to 40 cm. long in fruit, the pedicels obliquely spreading, 6-10 mm. long; calyx-segments narrowly ovate- oblong, obtuse; corolla white, 8-12 mm. across, the lobes nar­rowly oblong, spreading; capsules ovoid-globose, about 2.5 mm. in diameter. June-July. Sunny hills and low eleva­tions in the mountains.

Hokkaido, Honshu, Shikoku, Kyu­shu; very common. Korea, Manchuria, China, and Indo­china.