Herbs 15-50 cm tall, perennial. Stems solitary or several, branched above middle. Basal and lower stem leaves petiolate; leaf blade ovate to broadly elliptic, 5-30 × 2-6(-12) cm, fleshy, lyrate-pinnately parted or pinnately lobed, both surfaces green, abaxially gland-dotted, adaxially sparsely strigose or glabrous; lateral lobes elliptic to triangular, margin entire or subentire; terminal lobe triangular, sagittate, or hastate, large, margin sinuate-dentate or entire. Middle and upper stem leaves sessile, oblong, linear-oblong, or narrowly ovate, margin entire or sparsely dentate. Capitula numerous, in a corymbiform synflorescence, pedunculate. Involucre narrowly cylindric, 4-5 mm in diam. Phyllaries in 5-7 rows, arachnoid, glabrescent, apex obtuse to subacute; outer phyllaries ovate, 2-3 × 2-2.5 mm; middle phyllaries narrowly ovate, 3-10 × 1.5-2 mm; inner phyllaries narrowly ovate-elliptic, 10-12 × 1-2 mm. Receptacle bristles subulate, 4-4.5 mm. Corolla pale purple, (1-)1.3-1.6 cm, tube 7-9 mm, limb 6-7 mm. Achene reddish brown, cylindric, 2.5-3 mm, glabrous. Pappus white; outer bristles ca. 3 mm; inner bristles (0.9-)1.3-1.5 cm. Fl. and fr. Jul-Sep. 2n = 28.
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