Herbs, perennial. Stems 50-100 cm tall, stout, terete, leafy, pubescent apically, much branched. Lower cauline leaves thin, broadly elliptic to oblong, 20-28 × 8.5-15 cm, gland-dotted abaxially, shortly pubescent on both surfaces, narrowed at base into a broadly winged petiole, margin irregularly mucronulate-dentate, apex obtuse to acute; upper leaves sessile, oblong, gradually smaller, apex acute. Capitula many, 6-8 mm wide, sessile, spicately arranged, usually without bracts, deflexed in anthesis. Involucre campanulate-globose; phyllaries 3-seriate, outer ones shortest, ovate, acuminate, shortly pubescent, scarious-leathery at base, herbaceous toward apex, median and inner oblong, rounded at apex. Florets 130-300; corolla of marginal florets cylindric, ca. 1.5 mm; corolla of disk florets ca. 2.5 mm. Achenes ca. 3.5 mm, beak ca. 0.7 mm. Fl. Aug-Oct, fr. Oct-Dec. 2n = 40.
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A herb. It grows 1 m tall. The stems are stout and leafy. It is hairy towards the top. The lower leaves are thin and oblong. They are 20-28 cm long by 9-15 cm wide. The edges have irregular teeth.
It is a temperate plant. It can withstand frost. It can grow on a range of soils. It can grow in light shade. It needs moist soil. In China it grows on grassy slopes and near streams below 2,800 m above sea level. In Sichuan and Yunnan.
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Woods all over Japan. Waste places and grassy fields in lowlands, also along forest edges.
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