Prunus Insititia, commonly known as damson, is a fruit tree species that belongs to the Rosaceae family. This tree is known for producing small, flavorful fruits that are often used for making jams, jellies, and other preserves. There are several other names for Prunus Insititia, including the damson plum, bullace, or bullace plum. Some other synonyms for Prunus Insititia include blackthorn plum, cherry plum, and wild plum. All of these variations are used colloquially to refer to the species of plum tree that produces the small, tart fruits that are so popular for making jams and other culinary delights.