Blackthorn: The Origin of a Liquor, Wines, and Troussepinette Blackthorn, scientifically known as Prunus spinosa, is a member of the Rosaceae family. The Prunus genus comprises over 420 species of trees and shrubs, including the blackthorn and the cherry plum (Prunus cerasifera), which are believed to be the ancestors of the common plum (Prunus domestica), known for its popular varieties…