Plants ca. 30 cm tall, polygamous. Stems sparsely pilose. Stipules of radical and lower cauline leaves membranous, those of middle-upper cauline leaves herbaceous, oblong to ovate, margin irregularly serrate; radical leaves: petiole of subglabrous; leaf blade lyrately pinnate, with 6–8 pairs of leaflets, abaxially sparsely pilose on veins; terminal leaflet usually palmately 5-lobed, large, lobes ovate, margin sharply doubly serrate, apex shortly acuminate to caudate; lateral leaflets ovate, gradually smaller toward base of leaf, margin irregularly serrate or doubly serrate, apex acute or acuminate; cauline leaves resembling radical ones but with 1–4 pairs of leaflets. Inflorescence cymose; peduncle brown villous. Flowers 6–8 mm in diam. Sepals triangular, minute, glabrous. Petals oblong or obovate, base tapering into a short claw, apex rounded. Achenes 7–9, glabrous. Fl. and fr. Jul–Aug.
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