Japan Flora: Perennial herb; stems about 60 cm. long, slightly pilose or gla­brous, often branched in upper part; leaves thinly chartaceous, broadly lanceolate to narrowly ovate, 6-15(-20) cm. long, 2-5.5 cm. wide, long-acuminate, abrupdy to long-acuminate, rarely subobtuse at base, acutely toothed except near the base, puberulent on midrib above, glabrous or thinly pilose on the nerves beneath, the petioles 5-30 mm. long; spikes 5-12 cm. long, short-pilose, one-sided, the bracts broadly linear; calyx 3 mm. long at anthesis, 5-6 mm. long in fruit, nearly as long as the pedicels, exceeding the bracts; corolla white, about 7 mm. long, shallowly lobed; nutlets usually solitary, globose, dark brown, 1.5-2 mm. across, with darker reticulations. Sept-Oct Mountains.

Honshu (Kanto Distr. and wesnv.), Shikoku, Kyushu.