Description from Flora of China
Carpesium thunbergianum Siebold & Zuccarini.
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.
Roadsides, grassy slopes, thickets, forest margins, streamsides; below 2800(-3400) m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Afghanistan, Bhutan, India, Japan, Korea, Myanmar, Nepal, Russia, Vietnam; SW Asia (Caucasus, Iran), Europe].