Perennial herb or shrub, 0.6–2 m high; stem solitary or several, branched near apex, pubescent.. Leaves opposite or rarely ternate, oblong-lanceolate to elliptic, 6–19 cm long, 1.5–5 cm wide, base cuneate to cordate, margins coarsely and irregularly serrate with thickened teeth, rarely lobed or bilobed at base, apex attenuate, glabrous or hispid-pubescent; sessile or with petiole to 15 mm long.. Capitula terminal, solitary or few in corymbose cymes; stalks of individual capitula 5–50(–190, fide, EA) mm long; involucre 12–30 mm long; outer phyllaries 9–13, green, pubescent and inner phyllaries 8–10, pubescent or glabrous; paleae light brown, striped, 5–7.5 mm long.. Ray florets yellow, neuter, 10–18, tube 4–6 mm long and pubescent, rays 30–50 mm long, 10–18 mm wide; disc florets yellow, 5–8 mm long, pubescent or glabrous in lower half.. Achenes black, oblong, 6–13 mm long, pilose; aristae 2(–3), 0.5–3(–4) mm long, antrorsely barbed at base with 1 or 2 barbs in middle or 1 retrorse at apex.
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