Herbs perennial. Roots fibrous, subequally thick. Stems ascending or prostrate, 10--40 cm, spreading pubescent, branched, rooting at lower nodes. Basal leaves 1--3; petiole 4--9 cm, spreading pubescent; blade simple or ternate, 3-partite or 3-sect, simple leaf pentagonal, 1.4--2.6 × 2--4 cm, papery, appressed puberulent, base cordate, central segment rhombic-obovate or cuneate-obovate, irregularly dentate; lateral segments obliquely flabellate, unequally 2-lobed; ternate leaves with blade 2.8--4.5 × 3--5.5 cm, petiolules short; central leaflet ovate, 3-lobed; lateral leaflets unequally 2-lobed. Lower stem leaves similar to basal ones, upper stem leaves with shorter petioles. Flowers leaf-opposed, 0.8--1.5 cm in diam. Pedicel 1--5.5 cm, puberulent. Receptacle puberulent. Sepals 5, elliptic-ovate, 4--6 mm, abaxially puberulent. Petals 5(or 6), narrowly obovate or oblong-obovate, 5--7 × 2--4 mm, nectary pit covered by a scale, apex rounded. Stamens numerous; anthers oblong or ellipsoid. Aggregate fruit subglobose, 4--9 mm in diam.; carpels numerous. Achene flat, broadly elliptic or obovate, 2.5--3 × 1.8--2 mm, glabrous, punctate, narrowly marginate; style persistent, ca. 0.8 mm. Fl. Mar--Jun.
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A herb which keeps growing from year to year. It grows about 60 cm high. The lower leaves have stalks. They are oval and deeply 3 lobed. The lobes have sharp teeth. The upper leaves have short stalks and are smaller. The flowers have long stalks. The flowers are yellow. The fruit is dry and flat. It has small dots on it.
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