Trailing or straggling herb to 2 m long; stem rooting at lower nodes, leafy throughout.. Leaves deltoid in outline, bipinnatisect, 4–13 cm long, 2.5–8 cm wide, pinnae ovate to lanceolate, pinnules deeply lobed, apices acute or acuminate, with appressed white hairs above; petiole to 55 mm long.. Capitula terminal, solitary or in pairs, radiate; peduncle to 9 cm long; involucre 6–13 mm long; outer phyllaries 8, green, pilose, inner phyllaries 8, brownish orange in fruit, glabrous; paleae to 12 mm long, glabrous.. Ray florets yellow, neuter, 8–13, rays 30–35x5–7.5 mm; disc florets yellow, 5 mm long.. Achenes black or dark brown, oblong, compressed, outer 4–5 mm long, inner 7–9 mm long, glabrous; aristae 2, yellow, 2–3.5 mm long, retrorsely barbed.
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