Potentilla reptans Linnaeus var. angustiloba Seringe.

Herbs perennial, stoloniferous. Roots tufted, slender. Stolons 8–60 cm, together with petioles appressed pubescent or pilose. Radical leaves 4–10 cm including petiole; stipules brown, membranous, abaxially sparsely hirsute; leaf blade palmately 5-foliolate; leaflets sessile, green on both surfaces, lanceolate, ovate-lanceolate, or oblong-elliptic, 1.5–3 × 0.7–1.5 cm, both surfaces sparsely appressed pubescent, later glabrescent or abaxially appressed pilose on veins, base broadly cuneate, margin irregularly acutely incised 3–6-serrate, sometimes 2-fid on outer 2 leaflets, apex acute or acuminate; stolon leaves resembling radical ones; stipules green, ovate-lanceolate, herbaceous, margin usually parted. Flowers solitary, opposite leaves, 1–1.5 cm in diam.; pedicel 1.5–4 cm, pubescent. Sepals ovate-oblong, apex acute; epicalyx segments slightly shorter than sepals, abaxially pubescent and pilose. Petals yellow, slightly longer than sepals, apex emarginate or rounded. Style subterminal, thin at base; stigma slightly dilated. Mature achenes cylindric-ovoid, bullate. Fl. and fr. May–Sep.

This species is used for food and forage.

Thinned forests, damp meadows, lakes shores, river banks; 300--2100 m. Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Shandong, Shanxi [Korea, Mongolia, Russia].