Herbs 60-90 cm tall, perennial. Rhizome stout, apically branched. Stem solitary, erect, apically branched, partly winged. Basal and stem leaves petiolate; petiole to 2.5 cm, winged; leaf blade elliptic to narrowly elliptic, 10-16 × 2.5-4(-6) cm, pinnately lobed to pinnatisect, abaxially light green and with articulate hairs, adaxially dark green, scabrous, and with short spinulose prickles; lateral lobes 6-10 pairs, ovate to narrowly ovate-elliptic, 1-3 × 0.2-0.5 cm, margin ciliate and dentate or entire, apex acute and mucronate. Uppermost leaves linear-subulate, 5-15 × ca. 1 mm. Capitula numerous, in a laxly paniculiform synflorescence, pedunculate, with 5-10 florets. Involucre narrowly campanulate to tubular, 4-6 mm in diam. Phyllaries in ca. 6 rows, straw-colored, apically dark purple, sparsely arachnoid; outer phyllaries ovate, 2-3 × ca. 1 mm, apex acuminate; middle phyllaries narrowly ovate-oblong, 3-7 × 1-1.5 mm, apex acute; inner phyllaries narrowly oblong to obovate, 7-9 × 1-1.5 mm, apex obtuse and barbellate. Receptacle bristles 2-5 mm. Corolla red, 7-8(-10) mm, tube 2-3 mm, limb 4-5 mm, lobes 2-2.5 mm. Achene obconic, 2.5-3 mm, glabrous. Pappus pale brown; outer bristles 2-3 mm; inner bristles 5-7 mm. Fl. and fr. Oct.
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