Herbs, perennial, 20-40 cm tall, root solitary; most parts gray and arachnoid tomentose, glabrescent. Basal leaves ± in rosette, soon withering; petiole 5-13 cm; leaf blade ovate or broadly ovate, 11-18 × 8-16 cm, 3-or 4-pinnatisect; lobules filiform, (10-)15-30 × 0.5-1.5 mm. Middle and upper stem leaves: leaf blade broadly ovate, 3-5 × 3-5 cm, 2-or 3-pinnatisect; segments 3 or 4 pairs; lobules filiform, 5-15 × 0.5-1.5 mm. Uppermost leaves and leaflike bracts 3-5-pinnatisect or entire; lobes of entire leaves 1-3 cm. Synflorescence a panicle with ascending main branches and many short lateral racemes. Capitula pedunculate, nodding. Involucre ovoid or obovoid, 2-3(-4) mm in diam.; receptacle pubescent. Marginal female florets 2-5. Disk florets 8-15, bisexual. Achenes obovoid, slightly compressed. Fl. and fr. Aug-Oct.
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