Superfood 101: The Health Benefits Of Boysenberries
You might be surprised to learn that boysenberries are so closely related to blackberries that the United States Department of Agriculture (USDA) has no separate listing for them. However, boysenberries are classified in the genus Rubus of the species R. ursinus x idaeus. The plant was originally bred by Rudolph Boysen, a California horticulturist, in 1923, but he ceased his experimentation when he sold his farm. Later that decade George M.