In Flora of North America, this taxon is part of a broadly defined Rubus pensilvanicus (Species link).
Diagnostic Traits: central primocane leaflet ovate-elliptic to near orbicular; inflorescence leafy-racemose.
Similar species: Page is under construction. Please see link below for general information on the genus Rubus.
Etymology: Rubus is the Latin name for bramble and also means red. Frondosus means fern-like.
Author: The Morton Arboretum
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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