Stems coarse, scrambling to several m, strongly armed with flattened, recurved prickles; lvs evergreen, primarily (3)5-foliolate, the lfls laciniately cleft or again compound and cleft, the lower side evidently hairy but green; fls numerous in cymose panicles; cal-lobes usually prickly; pet pinkish to sometimes white, usually trifid; fr ±elongate, 1-1.5 cm thick; 2n=28. European cultigen, sparingly naturalized from Mass. to Minn. and southward. June-Aug.
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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Similar species: Page is under construction. Please see link below for general information on the genus Rubus.
Flowering: mid June to early July
Habitat and ecology: Introduced from Europe, this species has been found growing along rivers and railroads.
Occurence in the Chicago region: non-native
Etymology: Rubus is the Latin name for bramble and also means red. Laciniatus means "divided into narrow lobes."
Author: The Morton Arboretum
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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