Herbs 50-100 cm tall, perennial. Stem solitary, erect, apically branched and glandular hairy. Lower and middle stem leaves with petiole 5-10 cm, narrowly winged; leaf blade ovate to ± broadly lanceolate, 10-14 × 5-6 cm, undivided or pinnatisect, abaxially sparsely glandular hairy, base ± truncate, margin dentate, apex acute to acuminate; lateral lobes (0 or)1 or 2 pairs, elliptic, apex obtuse to acute; terminal lobe ovate to broadly lanceolate, often hastate and comprising most of blade, apex acute to acuminate. Upper stem leaves with shorter petiole and smaller, otherwise similar to middle stem leaves; uppermost stem leaves sessile, lanceolate, base cuneate, apex acuminate. Synflorescence racemiform or paniculiform, with few to several capitula. Capitula with ca. 40 florets; peduncle 1-5 cm. Involucre broadly campanulate, 1.7-2.1 × ca. 1 cm. Phyllaries glandular hispid, apex acute; outer phyllaries triangular to lanceolate. Florets purplish red. Achene ca. 5 mm; body dark brown, ellipsoid, compressed, lateral ribs broadened, apex attenuate into a pale 1-2 mm beak. Pappus double, outer hairs 0.1-0.2 mm, bristles ca. 7 mm. Fl. and fr. Aug-Sep.
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