Dasiphora fruticosa (L.) Rydb.

Dasiphora fruticosa (L.) Rydb. Mem. Dep. Bot. Columbia
Univ. 2 : 188. 1898.
Potentilla fruticosa Iy. Sp. PI. 495. 1753.
Fragaria fruticosa Crantz, Inst. 2 : 176. 1766.
Dasiphora riparia Raf. Aut. Bot. 167. 1838.
Potentilla floribunda Pursh, Fl. Am. Sept. 355. 1814.
Potentilla tenuifolia Willd. ; Schlecht. Ges. Nat. Freunde Berlin Mag. 7 : 284. 1815.
Potentilla fruticosa tenuifolia Iyehm. Monog. Potent. 32. 1820.
Potentilla Loureironis Tratt. Ros. Monog. 4 : 4. 1824.
Potentilla fruticosa tenuiloba Seringe, in DC. Prodr. 2 : 579. 1825.
Dasiphora floribunda Raf. Aut. Bot. 167. 1838.
Dasiphora fruticosa tenuifolia Rydb. Mem. Dep. Bot. Columbia Univ. 2 : 190. 1898.
Potentilla fruticosa parvifolia S. Wats. Proc. Am. Acad. 8: 561. 1873. Not P. parvifolia Fisch. 1831.
Potentilla fruticosa alpina S. Wats.; Wats. & Rothr. Cat. PL Wheeler's Surv. 8. 1874.
Dasiphora fruticosa monlicola Rydb. Mem, Dep. Bot. Columbia Univ. 2 : 190. 1898.
Shrub, 3-15 dm. high; branches when young silky-hairy, in age with brownish shreddy bark; stipules ovate to ovate-lanceolate, acuminate, scarious and veiny; leaves pinnate, with 3-7, usually 5, approximate leaflets, silky above, silky and whitish beneath ; leaflets in the typical form oblong, 1-2 cm. long, in the variety tenuifolia linear-oblong, or in var. monticola linear and only 5 mm. long, generally acute and with more or less revolute margins; flowers in small loose cymes or solitary, large, 1.5-3 cm. in diameter, or in var. monticola only 1 cm. wide ; hypanthium silkyvillous, in fruit about 1 cm. in diameter ; bractlets linear-oblong, generally slightly exceeding the broadly ovate acuminate sepals ; petals yellow, orbicular, often twice as long as the sepals.
Type locality: England.
Distribution : From Labrador to Alaska, California, New Mexico, and New Jersey ; also in Siberia and western Europe.