Rubus bifrons

Rubus bifrons, the European blackberry or Himalayan blackberry, is a European species of flowering plant in the rose family. It is sometimes considered to include the species R. armeniacus. Rubus bifrons is a spiny shrub up to 50 cm (20 inches) tall. The stems are biennial, arching, sometimes creeping. The leaves are palmately compound with three or five leaflets. The flowers are white or pink, in large arrays at the ends of branches, sometimes containing as many as 100 flowers. The fruits are black. It is widespread across much of Europe and naturalized in scattered parts of North America....read more on Wikipedia.