Potentilla plumosa T. T. Yu & C. L. Li

Herbs perennial. Roots robust, terete, woody. Flowering stems spreading or ascending, 4–30 cm tall, spreading white sericeous-villous. Radical leaves 2–7 cm including petiole; stipules brown, membranous, abaxially white villous, rarely glabrescent; petiole white tomentose and white villous; leaf blade pinnate with 6–9 pairs of leaflets; leaflets opposite or alternate, at intervals of 2–4 mm, sessile, elliptic, 3–15 × 2–8 mm, abaxially white tomentose, sometimes glabrescent, densely appressed white villous on veins, adaxially appressed white pubescent, margin slightly revolute, parted to midvein, apex obtuse; segments 3–5 on each side of midvein, fasciated; cauline leaves resembling radical ones but only with 3–5 pairs of leaflets; stipules green, ovate or ovate-lanceolate, herbaceous, abaxially densely appressed villous, margin 2–4-dentate-lobed or serrate, apex acuminate. Inflorescence densely or laxly corymbose-cymose, 3–10-flowered. Flowers 1–1.5 cm in diam. Sepals ovate or triangular-ovate, apex acute or acuminate; epicalyx segments ovate-lanceolate, slightly shorter than sepals, abaxially densely pubescent or villous, apex obtuse or acute. Petals yellow, obovate, ca. 2 × as long as sepals, apex emarginate. Stamens ca. 20. Carpels numerous; ovary subreniform; style subterminal, base inconspicuously thickened; stigma slightly dilated, capitate. Achenes ovoid-ellipsoid, smooth, abaxially swollen. Fl. and fr. Jun–Aug.

Gansu, Qinghai, Sichuan, Xizang.

Open places in forests, meadows, terraces in valleys, grassy alpine slopes; 2500--4000 m.

Potentilla plumosa adalah spesies tumbuhan yang tergolong ke dalam famili Rosaceae. Spesies ini juga merupakan bagian dari ordo Rosales. Spesies Potentilla plumosa sendiri merupakan bagian dari genus Potentilla. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh T.T.Yu & C.L.Li.

Potentilla plumosa là loài thực vật có hoa trong họ Hoa hồng. Loài này được T.T. Yu & C.L. Li miêu tả khoa học đầu tiên năm 1980.

羽毛委陵菜（学名：Potentilla plumosa）是蔷薇科委陵菜属的植物，为中国的特有植物。分布在中国大陆的青海、四川、西藏、甘肃等地，生长于海拔2,500米至4,000米的地区，常生于草地、高山草坡、河谷阶地以及林间开扩地，目前尚未由人工引种栽培。