Annual or perennial herb 30–90 cm tall; stems well-branched, spreading-pubescent with simple hairs, glandular.. Leaves rather crowded on short shoots, sessile, linear, 0.8–4 cm long, 0.08–0.25 cm wide, apex obtuse, sparsely finely ascending-pubescent, glandular.. Capitula in terminal few-headed corymbiform cymes; involucre 7–10 mm long; phyllaries 4–5-seriate, lanceolate or ovate, 2–8 mm long, acute to obtuse, apiculate, finely pubescent, outer and median slightly keeled in upper part and often with minute filiform tip, darker centrally in upper part except for keel.. Corolla purple, mauve or pink, 5.5 mm long, lobes 1.5 mm long.. Achenes 3.2 mm long, 5–6-ribbed, ascending-pubescent; outer pappus of conspicuous lanceolate scales, 0.7–1 mm long, inner pappus stramineous or tawny, 5–5.2 mm long.
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