Plants perennial, 30–75 cm, glabrous. Root fusiform. Stem solitary, 2–3-branched. Basal leaves simple; blade reniform-rotundate, broad-ovate, 5–8 × 4–6 cm, base cordate or truncate, margins coarsely serrate, apex obtuse or 3-lobed. Cauline leaves ternate, leaflets ovate or broad-ovate. Upper leaves smaller, sessile, 3-lobed, lobes lanceolate. Umbels ca. 5 cm across; bracts absent; rays 8–12, 1.5–2 cm, unequal, pubescent; bracteoles numerous, linear, nearly as long as pedicels; umbellules ca. 8 mm across, 10–20-flowered. Calyx teeth obsolete. Petals white, obovate, base cuneate, apex notched with incurved lobule. Stylopodium short conic; styles ca. 3 × stylopodium, reflexed. Fruit ovoid-ellipsoid, base cordate, surface minute granulate. Fl. Jun–Jul, fr. Aug–Sep.
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