Herbs, perennial, 70-100 cm tall, sparsely yellowish or rust-colored pubescent or glabrescent. Lowermost leaves sessile; leaf blade ovate or broadly ovate, 2-or 3-pinnatisect. Middle stem leaves: leaf blade ovate or oblong, 5-7 × 4-6 cm, abaxially densely gray tomentose, adaxially sparsely sericeous-pubescent and white glandular punctuate, 2(or 3)-pinnatisect; segments 4 or 5 pairs; lobules lanceolate or linear-lanceolate, 10-15 × 1.5-3 mm, rachis narrowly winged, margin revolute, apex acute and mucronulate. Uppermost leaves 1(or 2)-pinnatisect; leaflike bracts pinnatisect, 5-lobed, or entire, latter lanceolate or linear-lanceolate. Synflorescence a somewhat long and broad panicle. Capitula sessile. Involucre hemispheric or subovoid, 3-4(-5) mm in diam.; phyllaries densely rust-colored tomentose. Marginal female florets 8-10. Disk florets 10-30, bisexual. Achenes oblong. Fl. and fr. Aug-Nov.
Home