Herbs ca. 90 cm tall, perennial. Stem purplish red below middle, branched from middle or apically and sparsely glandular hairy. Lower stem leaves narrowly elliptic and basally attenuate into a short petiole-like portion, pinnatipartite to subpinnatisect, margin dentate. Middle stem leaves to 10 × 1.5 cm, basally with an auriculately or sagittately clasping petiole-like portion; lateral lobes 5-7 pairs, opposite to obliquely opposite, lanceolate to elliptic, gradually smaller toward leaf base, rachis sometimes pectinate, apex acute to obtuse; terminal lobe lanceolate. Upper stem leaves narrowly elliptic, smaller, less divided, margin entire. Synflorescence racemiform, with few capitula. Capitula with ca. 15 florets. Involucre cylindric, ca. 1.5 × 0.6 cm. Phyllaries glandular hispid, apex acute to obtuse; outer phyllaries lanceolate to linear-lanceolate. Florets purplish red. Achene ca. 6 mm; body dark brown, ellipsoid, compressed, lateral ribs broadened, apex attenuate into a 2-3 mm beak. Pappus double, outer hairs 0.1-0.2 mm, bristles ca. 7 mm. Fl. and fr. Aug.
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