dewberry

thumb|Ripe European dewberry thumb|Rubus caesius thumb|Wild dewberries, picked in North Texas thumb|A flower of a European dewberry (Rubus caesius) being pollinated by a red-tailed bumblebee (Bombus lapidarius). A seven-spot ladybird (Coccinella septempunctata) is also present.

The dewberries are a group of species in the genus Rubus, section Rubus, closely related to the blackberries. They are small, trailing (rather than upright or high-arching) brambles with aggregate fruits, reminiscent of the raspberry, but are usually purple to black instead of red.