Common Blackberry
Common Blackberry
Rubus allegheniensis
Rose Family - Rosaceae
Three prominently ribbed leaflets with coarse teeth. Leaf surfaces slightly hairy and velvety. Fruit black.
(Photographed - June and July)
Prickly erect to slightly arching stems bear racemes of 5-petalled, white flowers (about 1" wide) with petals longer than sepals.
  Pathology Images Inc. 2000 to 2002