Stem erect, striate, 50-85 cm tall, glabrous, synflorescence branched in upper part, shortly pubescent. Stem leaves 3 or 4, lower leaves peltate; petiole 4-5 cm, basally white villous at nodes; blade abaxially gray, adaxially green, orbicular, 12-20(-25) cm in diam., thick, palmately 5-7-parted, segments obovate, twice 2-parted, lobules lanceolate, 1-1.5 cm wide, both surfaces sparsely pubescent, margin sparsely acutely toothed, apex acuminate. Upper leaves gradually smaller upward, palmately parted or 3-fid, bractlike, linear-lanceolate. Capitula many, arranged in terminal panicles, ca. 10 × 6-8 mm; peduncles 1-4 mm, densely shortly pubescent, with 3 linear bractlets at apex. Involucres tubular, ca. 8.5 × 5-7 mm; phyllaries uniseriate, 5, oblong, ca. 8.5 × 2-3 mm, thick, outside glabrous, apically obtuse, puberulent. Florets 6-8; corolla 8-9 mm, 5-lobed; tube narrow, 2-2.5 mm. Anthers black-purple, basally hastate. Ovary cylindric, glabrous. Style branches elongate, apically puberulent. Pappus of many bristles, sordid white, 7-8 mm. Fl. Jun, fr. Sep.
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