Erect shrub 30–100 cm high. Vegetative parts strongly aromatic, pilose to glabrescent, densely glandular, sometimes vernicose. Leaves ovate, elliptic, oblong or oblanceolate, 10–38 mm long, 4–15 mm wide, stem-clasping or rarely attenuate at base, entire, serrate or shallowly lobed, acute or obtuse. Capitula in loose corymbs, often enveloped by upper leaves; involucre 15–20 mm long; outer and median bracts straw-coloured, glandular, glabrous; receptacle glabrous, eglandular. Florets 60–100. Marginal florets filiform, 4–6-lobed, with lobes subequal, glabrous, eglandular. Disc floret corollas 9–12 mm long, 5-lobed, glabrous, sparsely glandular. Achenes 3–4.5 mm long, 7–9-ribbed, sericeous.
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