Arching woody shrub or "cane" with effective thorns.  Leaves with three leaflets, with coarse teeth and strongly marked veins.  Flowers five-parted, white.  Fruit a juicy, edible, elongated, deep purple berry. 

Common in open areas along Wildwood Drive and under the power line.

Symmetrical 5-parted white flowers and thorns are common in the Rose Family.  Multiflora rose (Rosa multiflora) has more than 3 leaflets.  Black raspberry (Rubus occidentalis) has smaller flowers and a bowl-shaped fruit.  Wineberry (Rubus phoenicolasius) has many stiff hairs instead of thorns, and a pale red berry.  Northern dewberry (Rubus flagellaris) is a low, creeping plant.