Herbs, perennial, 80-120 cm tall, sparsely glandular pubescent and puberulent. Lower and middle stem leaves: petiole 3-5 mm; leaf blade ovate or ovate-elliptic, 4-8 × 3-7 cm, abaxially arachnoid tomentose, adaxially sparsely glandular pubescent, 1(or 2)-pinnatisect; segments 2-4, linear, 10-15(-30) × 3-6 mm. Uppermost leaves and leaflike bracts 3-5-lobed or entire. Synflorescence a broad, much-branched panicle. Involucre ellipsoid, 1.5-2 mm in diam.; phyllaries sparsely arachnoid tomentose. Marginal female florets 3-5. Disk florets 8-15, bisexual. Achenes obovoid. Fl. and fr. Aug-Nov.
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