Japan Flora: Stems erect from a decumbent base, 15-40 cm. long, white-pilose, often short-branched in upper part; leaves ovate, 2-4 cm. long, 1-2.5 cm. wide, acute, rounded or often broadly cuneate at base, toothed in the upper ones, more or less whitish pilose on both sides, penninerved, the petioles 2-20 mm. long; verticik densely many-flowered, the bracteoles linear, 5-8 mm. long, with long spreading hairs; calyx often reddish, 6-8 mm. long, long spreading-pilose; corolla 8-12 mm. long, pale rose-purple, puberulent externally; nutlets orbicular, slightly compressed, about 1 mm. across. Aug.-Sept. Woods and thickets in hills and low mountains;

Hokkaido, Honshu, Shikoku, Kyu­shu, Kyushu. Ryukyus,; common and very variable. s. Kuriles and Korea, Formosa, and China.

var. shibetchense (H.Lev.) Koidz. Plant green, not reddish; flowers white; calyx short glandular-hairy. Hokkaido, Honshu, Shi­koku,  Kyushu. Korea.

var. glabrescens (Nakai) Ohwi. Plant green, less pilose; flowers white; bracteoles shorter; calyx shorter, with short­spreading and glandular hairs.  Honshu, Kyushu. Ko­rea.