Japan Flora: Resembles the preceding; stems 50-150 cm. long, erect, simple or slightly branched, obtusely angled, rather sparingly appressed-pilosu- lous; leaves deep green, narrowly oblong to lanceolate, 6-12 cm. long, 1.5-5 cm. wide, acuminate, rounded at base, coarsely toothed, nearly glabrous or puberulous beneath especially on nerves, the petioles 1-3 cm. long, slightly puberulous or nearly glabrous; inflorescence narrowly pyramidal. Aug.-Sept Woods in mountains;
Hokkaido, Honshu, Shikoku, Kyushu. Korea, China, and e. Siberia.
var. sikokiana (Makino) Ohwi. A western phase with slender stems, the leaves narrower and more glabrate, thinnen