别名：

科名：蔷薇科 Rosaceae

属名：委陵菜属 Potentilla

《中国植物志》第37卷302页
  53.银光委陵菜
  Potentilla argyrophylla Wall. Cat. Pl. Ind. Orient. no. 1020. 1829, nom. nud. Lehm. Monogr. Potent. Suppl. 1. 19. t. 9. 1835: Wolf in Bibl. Bot. 71: 228, 1908. ——P. argyrophylla Wall. var. geruma Hook. f. Brit. Ind. 2: 357. 1878.
种中文名：银光委陵菜
种拉丁名：Potentilla argyrophylla Wall.
种别名  ：
国内分布：藏
海    拔：3700-4000
中国植物志：37:302
英文植物志：9:318
系中文名：白背系
系拉丁名：Sex．Niveae (Rydb．)
组中文名：锥状花柱组
组拉丁名：Sect．Conostylae
属中文名：委陵菜属
属拉丁名：Potentilla
亚科中文名：蔷薇亚科
亚科拉丁名：ROSOideae Pocke
科中文名：蔷薇科
科拉丁名：Rosaceae
纲中文名：双子叶植物纲
纲拉丁名：DICOTYLEDONEAE
门中文名：被子植物门
门拉丁名：ANGIOSPERMAE
参考文献：Potentilla argyrophylla Wall．Cat Pl.Ind.Orient no．1020 1829 nom hud． Lehm．Monogr Potent．Suppl l.19．T．9．18353；Wolf in Bibl.Bot.71:228；P．Argyrophylla Wall．Var．Genuina Hook f．Brit．Ind.2：357 1878．
本系概述：Sex．Niveae (Rydb．) Sojak．In Preslea 42 ,1：77.1970．---GrexNiveae Rydb．In Bull Torr.Bot．Club 23：262；1896．——Grex Niveae Wolf & Gr．Syn．6．1904 et Bibl．Bot．71：49．1908.——Sect．Niveae(Rydb．)Juzep in Fl.URSS 10：133．1941.我国有下列8种。

《Flora of China》 Vol. 9 (2003)
Potentilla argyrophylla  Wallich ex Lehmann
银光委陵菜   yin guang wei ling cai
Herbs perennial. Roots terete. Flowering stems erect or basally slightly curved, 15–20 cm tall, together with petioles densely silvery tomentose and villous. Radical leaves 5–10 cm including petiole; stipules brown, membranous, abaxially appressed white sericeous, later glabrescent; leaf blade 3-foliolate; leaflets sessile or terminal one very shortly petiolulate, obovate, elliptic, or broadly ovate, 1.5–2 × 1–1.5 cm, abaxially densely silvery tomentose, appressed silvery sericeous on veins, adaxially appressed silvery sericeous, base cuneate or broadly so, margin sharply incised serrate, apex obtuse; cauline leaves 2 or 3, shortly petiolate, small; stipules green, ovate or ovate-lanceolate, herbaceous, abaxially tomentose and villous, margin entire, apex acuminate. Inflorescence terminal, 2- or 3-flowered. Flowers ca. 2 cm in diam.; pedicel 2–2.5 cm, tomentose and villous. Sepals triangular-lanceolate, apex acuminate; epicalyx segments elliptic-ovate or elliptic-lanceolate, nearly equaling sepals, abaxially appressed white sericeous. Petals yellow, sometimes purple at base, obcordate, ca. 2 × as long as sepals, apex markedly emarginate. Stamens yellow or purple. Style subterminal, yellow or purple, ca. 2.5 × as long as ovary; stigma slightly dilated, capitate. Achenes not seen. Fl. May.
Forests, thickets, sandy river banks, ditch sides; 3700--4000 m. Xizang [Afghanistan, Kashmir, Nepal, Pakistan, Sikkim].