Rubus hispidus, with the common names swamp dewberry, bristly dewberry, bristly groundberry, groundberry, hispid swamp blackberry or running swamp blackberry, is North American species of dewberry in the Rosaceae.
The plant grows in moist or sometimes dry soils, ditches, swales or open woods in central and eastern North America, from Ontario and Minnesota east to Newfoundland, and south to South Carolina and Mississippi. Biota of North America Program 2014 county distribution map
A dull blue dye can be created from its berries. The fruit also can be used as an astringent.
The berries are rather bitter for culinary use, and so this plant is generally not cultivated.
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