Herbs perennial. Roots fibrous, subequally thick. Stolons elongated, 1.5--2 mm in diam. Stems 20--70 cm, hispid, branched above. Basal leaves ca. 5; petiole 6--22.5 cm, hispid; blade 3-partite, cordate, 3--8 × 4.8--14 cm, papery, strigose, base cordate, central lobe obtrapeziform-rhombic, acute, 3-lobed, few dentate; lateral lobes obliquely flabellate, unequally 2-lobed, incised-dentate. Stem leaves ca. 2, short petiolate or subsessile, 3-sect, segments incised-dentate. Compound monochasium terminal, ca. 4-flowered; bracts leaflike. Flowers 1--1.6 cm in diam. Pedicel ca. 2 cm, strigose. Receptacle glabrous. Sepals 5, ovate, 4--5.5 mm, abaxially densely strigose. Petals 5 or 6, obovate, 6--9 × 4--7 mm, nectary pit covered by a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit broadly ovoid, 5--6 mm in diam.; carpels numerous. Achene bilaterally compressed, obliquely broadly obovate, 2.2--3 × 1.8--2.5 mm, glabrous, narrowly marginate; style persistent, ca. 0.4 mm. Fl. May--Sep, fr. Jun--Sep.

* Below 1700 m. Heilongjiang, Jilin.