Rubus racemiger
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''Rubus setosus'', the bristly blackberry, is a North American species of flowering plant in the rose family. It is widespread in much of central and eastern Canada (from Ontario to
Newfoundland Newfoundland and Labrador (; french: Terre-Neuve-et-Labrador; frequently abbreviated as NL) is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region ...
) and the northeastern and north-central United States (from New England west to Minnesota and south as far as North Carolina) ''Rubus setosus'' is a prickly shrub up to tall. Leaves are palmately compound with 3 or 5 leaflets. Flowers are white. Fruit is black, nearly spherical. The genetics of ''Rubus'' is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.


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Michigan Flora
setosus Plants described in 1824 Flora of Northern America {{Rubus-stub