blackberries

The bramble (Rubus fruticosus) is a genus of the Rosaceae family which produces an edible fruit called blackberry . The fruit is not a true berry; botanically it is termed an aggregate fruit, composed of small drupelets. The plants typically have biennial canes and perennial roots. Blackberries and raspberries are also called caneberries or brambles.
The ripe berries in the picture are the black ones