Smooth Blackberry is common at high elevations in the Mountains of North Carolina. It is fairly easy to identify since the canes lack prickles (or have only a few weak prickles) and the leaf undersides are glabrous (smooth).

Buncombe Co., NC 7/8/06.

Another common name is Thornless Blackberry.

Buncombe Co., NC 7/8/06.

Unripe aggregate fruits.

Buncombe Co., NC 7/8/06.