Subshrubs, 35-60(-70) cm tall, with a thick rootstock, densely gray tomentose, later partly glabrescent. Lower stem leaves ± sessile; leaf blade ovate, 2.5-3(-5) × 1.5-2 cm, incanous arachnoid tomentose, 2-or 3-pinnatisect; segments (3 or)4 or 5 pairs; lobules linear or linear-lanceolate, [40-60(-80) × 5-10 mm,] acute apically. Middle stem and upper leaves 1-or 2-pinnatisect; leaflike bracts narrowly linear. Synflorescence a narrow panicle. Involucre ellipsoid-ovoid, 1.5-2 mm in diam.; phyllaries gray arachnoid tomentose or glabrescent. Florets 3-7. Achenes ovoid or obovoid. Fl. and fr. Sep-Oct.
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