Norwegian Cinquefoil

Potentilla monspeliensis L. Sp. PL 499. 1753
Potentilla norvegica I,. Sp. PI. 499. 1753.
Fragaria monspehensis Crantz, Inst. 2 : 179. 1766.
Fragaria norvegica Crantz, Inst. 2 : 179. 1766.
Fragaria parviflora Lam. Fl. Fr. 3 : 113. 1778.
Potentilla hirsute Michx. Fl. Bor. Am. 1 : 303. 1803.
Potentilla Morisoni DC. Cat. PI. Hort. Monsp. 135. 1813.
Potentilla grossa Dougi.; Hook. Fl. Bor. Am. 1 : 193, as synonym. 1832.
Potentilla millegrana Douglas ; Hook, Fl. Bor. Am. 1 : 193, as synonym. 1832.
? Potentilla dichotoma Raf, Aut. Bot. 163. 1840.
Potentilla norvegica hirsuia T. & G. Fl. N. Am. 1 • 436. 1840.
Potentilla monspeliensis norvegica Rydb. Mem. Dep. Bot. Columbia Univ. 2 : 46. 1898.
Tridophyllum monspeliense Greene, Leaflets 1 : 189. 1905.
Tridophyllum norvegicum Greene, Leaflets 1 : 189. 1905.
Stems stout and very leafy, 3-8 dm. high, ascending or erect, often tinged with red or brown, often several from the annual or biennial root, branched above, hirsute with long and spreading hairs ; stipules broadly ovate, 1-4 cm. long, usually toothed ; lower leaves with hirsute petioles 3-10 cm. long, the uppermost subsessile, more or less hirsute, all digitately 3-foliolate or, in luxuriant forms, the lower sometimes digitately or pinnately 5-foliolate ; leaflets in the American form usually obovate, 3-10 cm. long, serrate with usually broad teeth, in the European {P. norvegica) more oblong and with longer teeth; cyme usually dense and leafy; flowers on short pedicels, about 1 cm. in diameter ; hypanthium hirsute, in fruit about 7-8 mm. in diameter, and with the sepals of about the same length ; bractletsand sepals oblong-lanceolate, acute, nearly of the same length; petals light-yellow, obofite, or cuneate, truncate or with a shallow, broad emargination, nearly equaling the sepals ; Siemens generally 20, sometimes only 15 ; anthers cordate, didymous ; pistils numerous ; styles^ terminal, fusiform and glandular below ; achenes usually rugulose when ripe.
Type locality : [Botanical Garden,] Montpellier, France.
Distribution : Rich soil and waste places, from Labrador to the District of Columbia, Kansas,, Mexico, California, and Alaska ; also in Europe and Asia.