Prunus Pumilla Susquehanae, commonly known as the Allegheny plum, is a type of small shrub that produces purple berries. It is commonly found in the Appalachian Mountains and surrounding regions. While there are no true synonyms for this specific species name, the term "plum" can be used to describe any of the fruit-bearing trees or shrubs in the Prunus genus. Other species in the genus include the sweet cherry, sour cherry, apricot, peach, and almond. Additionally, the shrub may be referred to by its common name, Allegheny plum, or as a "dwarf cherry" due to its small stature.