Perennial, suffruticose, erect herb to 70 cm high. Vegetative parts strongly aromatic, pilose to villous, densely glandular. Leaves oblanceolate or obovate, 10–70 mm long, 2–18 mm wide, attenuate at base, entire or serrate, acute, obtuse or rounded. Capitula usually solitary, on long, rarely short, branches; involucre 10–15 mm long; outer and median bracts villous, densely glandular; receptacle sparsely pilose, rarely glabrous, non-glandular. Florets 40–100. Marginal floret corollas usually 3–6-lobed, with lobes equal or rarely shortly ligulate or 1 lobe deeply incised, glabrous or sparsely pilose, glandular. Disc floret corollas 5–7 mm long, 5-lobed; lobes sparsely pilose, glandular. Achenes 2.5–3.5 mm long, 8–10-ribbed, sericeous.