Subshrubs, perennial, erect, 0.8-2.2 m tall. Stems green, striate, solid, usually woody at base, 0.5-2.5 cm in diam., branching apically; branches terete, viscid-tomentose particularly in synflorescence axes with intermixed glands and multicellular hairs. Lower leaves larger, narrowly oblong, 24-30 × 10-12 cm, villous abaxially, with multicellular hairs and numerous sessile glands (colleters), pilose adaxially, base attenuate, margin irregularly doubly dentate mucronulate, apex acuminate; veins 14-16 pairs. Capitula 8-12 × 8-15 mm, in large terminal and axillary lax panicles, pedunculate, viscid. Involucre globose-campanulate; phyllaries in 3 or 4 series, outer ones shorter, linear-lanceolate, acuminate, with numerous colleters and multicellular hairs on outer surface, reflexed, inner linear. Receptacle 2.5-3 mm in diam., slightly convex, alveolate, minutely fimbrillate. Marginal florets filiform, 6.5-7.5 mm, 2-or 3-lobed, generally glabrous. Central florets yellow, tubular, 7-8 mm, lobes 5, broadly triangular, pubescent, with colleters and sparse multicellular hairs. Achenes pale brown, oblong, 1-1.4 mm, 6-10-ribbed, hirsute. Pappus pale brown, 5-6 mm. Fl. Oct-Apr. 2n = 18.
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