Herbs perennial, to 1.5 m tall, sometimes procumbent; stem hairy with white, stellate hairs. Stipule filiform, 3-7 mm, pilose; petiole 0.2-5 cm, stellate pilose with long hairs; leaf blade cordate, 2-7 × 2-7 cm, both surfaces stellate pilose, base cordate, margin crenate, apex acuminate. Pedicel slender, 2-4 cm, long pilose, articulate and becoming knee-shaped near tip. Calyx disk-shaped, 4-5 mm, densely long stellate pilose, lobes ovate, apex acuminate. Corolla pale yellow, ca. 1 cm in diam.; petals obovate, 6-10 mm. Schizocarp globose, 9-13 mm in diam., swollen, lantern-shaped, sparsely long pilose, apex short-beaked; mericarps 8-15, deciduous, loculicidal, walls membranous, persistent receptacle ca. 2 mm. Seeds black, reniform. Fl. year-round. 2n = 14.
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Plants sometimes sprawling, 1–6 dm. Leaves petiolate to 52 mm, sessile distally; blade ovate to sometimes elongate-triangular, 1–8 cm, apex acuminate. Flowers: calyx rotate in flower to reflexed in fruit, 3–7 mm; petals 6–11 mm. Schizocarps on jointed pedicel near fruit; mericarps 10–12, to 10 mm, walls thin, papery. 2n = 14.
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