Erect or decumbent perennial herb 30–60 cm high, rosette-forming, subscapigerous; stems reddish-brown, glandular or sparsely so.. Basal leaves sessile, oblanceolate, broadly oblanceolate or oblanceolate-elliptic in outline, 7–21 cm long, 0.9–7 cm wide, attenuate into a petioloid base, margins often reddish, sinuate-serrate to sinuate-dentate, bidentate-lobate or pinnately lobed with rounded, denticulate lobes, apex rounded to obtuse, apiculate, glandular above and on margins and especially or at least on mid-rib beneath; stem leaves few, sessile, oblong or oblanceolate-oblong, 4–5 x 0.6–1 cm, semi-amplexicaul, sinuate-denticulate.. Capitula discoid, 3–many in a lax terminal corymb; inflorescence axes glandular; involucre cylindrical, 8–12 mm long, 4–6 mm in diameter; bracts of calyculus 2–4, narrow, lanceolate, 1.5–4 mm long, glandular; phyllaries 12–21, dark green with purplish tips, 7.5–10.5 mm long, glandular.. Ray florets 0; disc florets purple, mauve or rarely yellow, corolla 5.5–8.8 mm long, tube campanulate in upper third, glabrous, lobes 1–1.2 mm long.. Achenes 3–3.7 mm long, ribbed, shortly hairy in the grooves; pappus 6–8.5 mm long.
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