Potentilla saundersiana Royle

Herbs perennial. Roots robust, terete, rarely slender. Flowering stems erect or ascending, rarely low and tufted, 10–20 cm tall, together with petioles white tomentose and pilose. Radical leaves 2–5 cm including petiole; stipules brown, membranous, abaxially white villous or glabrescent; leaf blade subpinnately or palmately 3–7(or 8)-foliolate; leaflets sessile, adaxially green or grayish green, oblong-obovate, rarely broadly obovate, 0.5–2 cm × 4–10 mm, abaxially densely white tomentose, appressed pilose on veins, adaxially sparsely appressed pilose or densely appressed sericeous, base cuneate, margin slightly obtusely or acutely many incised serrate, rarely lobed to parted, apex obtuse, rarely acute; cauline leaves 1 or 2; stipules green, ovate or ovate-lanceolate, herbaceous, abaxially white tomentose and pilose, margin usually entire, apex acute or acuminate; leaf blade 3–5-foliolate; leaflets resembling those of radical leaves. Inflorescence terminal, laxly cymose, 1(or 2)- or many flowered. Flowers 1–1.4 cm in diam.; pedicel 1–3 cm, white tomentose. Sepals triangular-ovate or triangular-lanceolate; epicalyx segments lanceolate or elliptic, shorter than or nearly equaling sepals, abaxially white tomentose and pilose, apex acute or 1–3(–5)-fid. Petals yellow, obovate, slightly longer than or ca. 2 × as long as sepals, apex emarginate. Style subterminal, base inconspicuously thickened; stigma slightly dilated. Achenes smooth. Fl. and fr. Jun–Aug.

Himalaya (Nepal, Bhutan), Tibet, China.

Gansu, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan [Bhutan, India, Nepal, Sikkim].

3100-4900 m

Alpine thickets and meadows, gravel fields; 2600--5200 m.

Potentilla saundersiana adalah spesies tumbuhan yang tergolong ke dalam famili Rosaceae. Spesies ini juga merupakan bagian dari ordo Rosales. Spesies Potentilla saundersiana sendiri merupakan bagian dari genus Potentilla. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Royle.

Potentilla saundersiana là loài thực vật có hoa trong họ Hoa hồng. Loài này được Royle miêu tả khoa học đầu tiên năm 1839.

钉柱委陵菜（学名：Potentilla saundersiana）为蔷薇科委陵菜属的植物。分布在不丹、锡金、尼泊尔、印度以及中国大陆的西藏、青海、山西、宁夏、四川、新疆、云南、甘肃、陕西等地，生长于海拔2,600米至5,150米的地区，多生于多石山顶、高山灌丛、山坡草地和草甸，目前尚未由人工引种栽培。