Rosa palustris Marshall
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Rosaceae
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Scientific Name
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Description
Species Description - Much-branched shrub to 2 m; infrastipular prickles stout, decurved, 3–6 mm, the flattened base at least half as long; internodal prickles none; stipules very narrow, scarcely widened distally; lf-rachis softly pubescent; lfls commonly 7, narrowly elliptic to oblanceolate, softly pubescent on the midrib beneath, finely serrate, the teeth usually less than 2 mm wide and avg 0.5 mm high; fls solitary or in small corymbs; pedicel and hypanthium stipitate-glandular; sep soon spreading or reflexed, then deciduous; pet pink, 2–3 cm; hips red, only 7–l2 mm thick; 2n=14. Swamps, marshes, and streambanks; N.S. to Minn., s. to the Gulf of Mexico. Evidently hybridizes with R. blanda, and probably to a lesser extent with R. carolina.
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Common Names
swamp-rose