Blackberry - Rubus sp.: Also known simply as briars. A climbing or trailing evergreen shrub with round, slender branches that commonly reach 10 feet in length. Young stems are erect, but arch as they lengthen, rapidly touching the ground and rooting at the nodes.
Fruit: Black aggregate of drupelets about 1/2 inch long, edible. Often made into pies or jelly or simply eaten whole. Both leaves and fruit are heavily utilized by wildlife.
Twigs: Slender, round, and green to red. Covered with prickles that detach easily.