Herbs or subshrubs, perennial, branches distichous, 1 m. Stems erect, minutely stellate-hairy. Leaves distichous; stipules free from petiole, 1–3(–5)-veined, broadly falcate, 6–12 mm, often exceeding petiole; petiole (1–)4–5(–8) mm, ca. 1/10 blade length, obscurely stellate-hairy; blade lanceolate to ovate, 3–9 cm, 2–4 times longer than wide, base cuneate to rounded, margins serrate at least distally, apex acute, surfaces hirsute to glabrate. Inflorescences axillary solitary or paired flowers, sometimes more and subumbellate. Pedicels jointed near base, 0.2–0.5(–0.8) cm, subequal to calyx and subtending petiole. Flowers: calyx ribbed, 6–8 mm, often ciliate, lobes triangular; petals yellow, 7–10(–12) mm; staminal column glabrous or hairy; style 7–12-branched. Schizocarps subconic, 5–7 mm, glabrous; mericarps 7–12, 3–4 mm, laterally reticulate, apex spined, spines to 0.5 mm. 2n = 28.
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