Potentilla longifolia Willd.

This species is used medicinally.

Herbs perennial. Roots robust, terete. Flowering stems erect or slightly ascending, 30–90 cm tall, together with petioles villous, pubescent, and glandular. Radical leaves 10–30 cm including petiole; stipules brown, membranous, abaxially pubescent and villous; leaf blade pinnate with 4 or 5 pairs of leaflets; leaflets opposite, rarely alternate, sessile, oblong-lanceolate or oblanceolate, 1.5–8 × 0.5–2.5 cm, abaxially pubescent and glandular, pilose on veins, adaxially pilose or glabrescent, base decurrent and adnate to rachis in apical 1–3 pairs of leaflets, margin incised serrate, apex obtuse or acute; cauline leaves resembling radical ones; stipules green, herbaceous, abaxially pubescent or villous, margin entire or parted. Inflorescence terminal, corymbose, congested, few flowered. Flowers 1.5–1.8 cm in diam.; pedicel short. Sepals triangular-lanceolate, apex usually acuminate; epicalyx segments oblong-lanceolate, shorter than or nearly equaling sepals, abaxially densely pubescent and glandular, apex obtuse or acuminate. Petals erect and enlarged in fruit, broadly obovate, nearly equaling sepals, apex emarginate. Style subterminal, conic, base thickened, markedly papillate; stigma not dilated. Achenes subreniform or ovoid, ca. 1 mm, smooth. Fl. and fr. Jul–Sep.

Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Qinghai, Shandong, Shanxi, Sichuan, Xizang [Korea, Mongolia, Russia].

Sparse forests, forest margins, alpine thickets, meadows on mountain slopes; 300--3200 m.

Potentilla viscosa Donn ex Lehmann; P. viscosa var. macrophylla Komarov.