Succulent herb or shrub, weakly erect to ± 60 cm but more usually scandent and to 15 m long; stems up to 2.5 cm in diameter, rather succulent, glabrous, developing a grey warty bark when older, with pungent smell when cut.. Leaves rather succulent, petiolate, glossy pale green, elliptic, broadly elliptic or obovate, 3–13.5 cm long, 1.5–6 cm wide, base cuneate or attenuate into the petiole, entire or minutely to coarsely serrate or dentate-apiculate, apex obtuse to rounded, minutely acuminate-apiculate; petiole narrowly winged, slightly expanded at the base, exauriculate, 0.4–3.5 cm long.. Capitula radiate or occasionally some heads without rays, numerous in conspicuous copious open to dense terminal compound corymbs; involucre 3.5–5.5 mm long, 2–2.5 mm in diameter; bracts of calyculus 2–4, lax, broadly linear, ciliate near apex, 1–3 mm long; phyllaries 7–11, green or yellow-green, 3–5 mm long.. Ray florets 5, yellow, tube 3–4 mm long, glabrous or with a few hairs at apex, rays 3–5.5 mm long, 1.2–2 mm wide, 4-veined; disc florets yellow, corolla 4–7 mm long, expanded upwards from below the middle, glabrous, lobes 0.7–1 mm long.. Achenes 2–3 mm long, ribbed, shortly hairy in the grooves; pappus 5–6 mm long.. Fig. 134 (page 647).
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