Herbs 30-40[-70] cm tall, perennial. Stem solitary, erect, simple or apically branched. Basal leaves often withered at anthesis. Basal and lower stem leaves petiolate; petiole to 14 cm; leaf blade ovate-triangular, triangular-hastate, or narrowly ovate-triangular, 4-10[-12] × 2.5-6 cm, abaxially pale green and pubescent or glabrous, adaxially green, base truncate, cuneate, or cordate, margin sinuate-dentate, apex acuminate. Middle and upper stem leaves sessile or subsessile, gradually smaller upward on stem; leaf blade elliptic to narrowly ovate, base truncate, cuneate, or rounded, margin dentate to entire, apex acuminate. Capitula 3-5[-20], in a ± clustered corymbiform synflorescence, shortly pedunculate. Involucre tubular-campanulate, 5-10 mm in diam. Phyllaries in 4 or 5 rows, dark or green with dark apical part and margin, to 1.5 cm, sparsely arachnoid to almost glabrous, apex subobtuse; outer and middle phyllaries ovate; inner phyllaries oblong-linear. Receptacle bristles ca. 7 mm. Corolla pale purple, 1-1.2 cm, tube 5-6 mm, limb 5-6 mm, lobes 2.5-3 mm. Achene dark brown, cylindric, 4-6 mm, glabrous. Pappus brownish; outer bristles to 3 mm; inner bristles 9-10 mm. Fl. and fr. Jul-Oct.