Herbs, perennial, 30-100 cm tall; stems solitary, erect, corymbosely branched, lower part glabrous, upper part densely pubescent. Basal and lower stem leaves withered by anthesis. Middle stem leaves sessile; leaf blade lanceolate or linear-lanceolate, 3-8(-11) × 0.4-0.9 cm, both surfaces pubescent at first, glabrescent or pubescent along veins abaxially, base slightly attenuate, margin double-serrulate, apex acuminate. Synflorescence a lax terminal flat-topped panicle. Capitula rather many. Involucres hemispheric, ca. 5 × 9 mm; phyllaries in 3 rows, scarious margin broad, yellowish or brownish, outer short, ovate-oblong, apex acute, inner ones oblong, apex rounded. Paleae similar to phyllaries, upper part and apex yellow villous. Ray florets 10-23; lamina white, 3-8 × 2.5-5.5 mm, apex 3-crenate. Disk florets white, tubular. Achenes oblanceolate, 2.5-3 × ca. 1.5 mm, with white lateral ribs. Corona absent. Fl. and fr. Jul-Aug.
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