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Comprehensive Description ( anglais )

fourni par North American Flora
Potentilla strigosa Pall.; Pursh, PI. Am. Sept. 356, as synonym
1814. — Tratt. Ros. Monog. 4 : 31. 1824.
Potentilla pennsylvanica strigosa Pursh, Fl. Am. Sept. 356. 1814.
Potentilla peciinaia Fisch.; Hook. Fl. Bor. Am. 1 : 188, as synonym. 1833.
Potentilla absinihiifolia Dough; I,ehm. Stirp. Pug. 9: 41. 1851.
Potentilla rubricaulis Dough; Lehm. Rev. Potent. 58. 1856. Not P. rubricaulis I<ehm. 1830.
Perennial, with a short cespitose caudex; stems 1-4 dm. high, densely puberulent and with long spreading hairs, yellowish, often tinged with red ; basal leaves pinnate, with 7-11 leaflets; petioles 3-7 cm. long, also puberulent and hirsute with spreading hairs; leaflets obovate or oblan ceolate, 1-5 cm. long, densely silkypubescent but yellowish-green above, densely grayish -tomentose and silky beneath, deeply cleft into lanceolate or linear, revolute .divisions; stipules ovate, 1.5-2 cm. long, usually deeply cleft, acuminate; inflorescence dense; hypanthium villous, in fruit 6-7 mm. broad; bractlets lanceolate, 4-5 mm. long; sepals ovate, slightly longer, strongly ribbed ; petals obovate or orbicular, about equaling the sepals ; stamens 20 ; pistils numerous ; styles thickened and glandular at the base.
Type locality : On the Missouri.
Distribution : Plains from Hudson Bay to Kansas, New Mexico, and British Columbia ; also
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citation bibliographique
Per Axel Rydberg. 1908. ROSACEAE (pars). North American flora. vol 22(4). New York Botanical Garden, New York, NY
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North American Flora