An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 ROSACEAE. Vol. II. I. Sibbaldiopsis tridentata (Soland.) Rydb. Three- toothed Cinquefoil. Fig. 2258. Potentilla tridentata Soland. in Ait. Hort. Kew. 2: 216. 1789. Sibbaldiopsis tridentata Rydb. Mem. Dep. Bot. Col. Univ. 2: Tufted, woody at the base, much branched, branches erect, 1-12' high, pubescent with appresse
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 ROSACEAE. Vol. II. I. Sibbaldiopsis tridentata (Soland.) Rydb. Three- toothed Cinquefoil. Fig. 2258. Potentilla tridentata Soland. in Ait. Hort. Kew. 2: 216. 1789. Sibbaldiopsis tridentata Rydb. Mem. Dep. Bot. Col. Univ. 2: Tufted, woody at the base, much branched, branches erect, 1-12' high, pubescent with appressed hairs. Stip- ules lanceolate, entire; leaves mostly petioled, 3-foliolate; leaflets of the lower one oblanceolate, 3-toothed or some- times 2-s-toothed at the obtuse apex, cuneate at the base, coriaceous, dark green and shining above, pale and mi- nutely pubescent beneath, i'-i' long: upper leaflets lin-. car or oblong, often acute and entire; flowers 1-6, in a ter- minal cyme, white, 3'-s' broad; bractlets shorter and narrower than the ovate acute calyx-lobes, which are shorter than the obovate-oval petals. In roclcy places, especially on mountains, Greenland to New Jersey, on the higher southern Alleghanies, shores of Lake Superior, and west to Manitoba. Mountain five-finger. June- Aug. Recorded from Scotland, apparently erroneously. 14. DASIPHORA Raf. Aut. Bot. 167. 1838. Shrubs with firm unequally pinnate leaves, scarious sheathing stipules, and large mostly yellow flowers. Calyx-tube saucer-shaped. Bractlets, calyx-lobes and petals 5. Petals rounded, not clawed. Stamens about 25, in S clusters around the hemispheric receptacle; filaments filiform; anthers flat. Pistils numerous on the receptacle; style club-shaped, glan- dular above, lateral; stigmas lobed. Achenes densely covered with long straight hairs. Seeds amphitropous, ascending. [Greek, bearing hairs, referring to the hairy achenes and receptacle.] â About five species, natives of the north temperate and arctic
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