Rhamnus Frangula, commonly known as Alder Buckthorn, is a deciduous shrub that is native to Europe and western Asia. This plant is known for its medicinal properties, particularly its ability to relieve constipation. Apart from its scientific name, Alder Buckthorn is also referred to as Black Dogwood, Arrowwood, Glossy Buckthorn, and Breaking Buckthorn. Other synonyms include Frangula Alnus, Rhamnus Frangula var. frangula, and Rhamnus frangula var. caroliniana. This plant is also known as Frangula alnus and its bark and fruits have been used in traditional medicine for centuries. With several synonyms for the name, Alder Buckthorn is a versatile plant with many benefits and uses.