Herbs, perennial, 30-70 cm tall, densely gray arachnoid pubescent. Leaves ± sessile. Lowermost leaves ovate-elliptic or ovate-oblong in outline, 2-pinnatipartite. Middle stem leaves: leaf blade elliptic or oblong, 4.5-6.5 × 3.5-4.5 cm, abaxially densely gray tomentose, adaxially sparsely arachnoid pubescent, 1(or 2)-pinnatipartite; segments (2 or)3 or 4 pairs, elliptic, 1-1.5 × 0.3-0.5 cm, base attenuate; lobules narrow, 0.5-2(-3) mm wide, occasionally 1-or 2-serrate, apex acuminate. Uppermost leaves and leaflike bracts 3-or 5-partite or entire. Synflorescence a narrow panicle. Involucre subglobose or broadly globose, 2.5-4 mm in diam.; phyllaries arachnoid pubescent. Marginal female florets 4-6. Disk florets 6-10, bisexual. Achenes obovoid or oblong-obovoid. Fl. and fr. Aug-Oct.
Home