Comprehensive Description
provided by North American Flora
Sibbaldiopsis tridentata (Soland.) Rydb. Mem. Dep. Bot
Columbia Univ. 2 : 187. 1898.
IPotentilla retusa O. F. Miiller, Fl. Dan. 5" : 4. 1780. Potentilla tridentata Soland. in Ait. Hort. Kew. 2: J16. 17»y.
Caudex woody and creeping; annual branches herbaceous, 1-2 dm. high, sparingly appressed silky-strigose; stipules lanceolate, foliaceous, entire, about 5 mm. long; leaves ternate, subcoriaceous, green and shining above, pale beneath ; leaflets obovate-cuneate, three-toothed at the truncate apex ; cyme open, on a slender peduncle; flowers about 1 cm. in diameter; hypanthium appressed-strigose, in fruit about 5 mm. in diameter; bractletsoblong, acute, shorter than the ovate-lanceolate acute sepals ; petals white, obovate or elliptic, about a half longer than the sepals or more.
Type locality : Newfoundland.
Distribution : Greenland to New Jersey, mountains of Georgia, Minnesota, and Manitoba ; also in Great Britain.
- bibliographic citation
- Per Axel Rydberg. 1908. ROSACEAE (pars). North American flora. vol 22(4). New York Botanical Garden, New York, NY