Genus Adenium refers to a small genus of flowering plants native to Africa and Arabia. Commonly known as desert rose, this genus is often cultivated for their attractive appearance, distinctive stem and flowers. Many of the synonyms for this genus include Adenium obesum, which is the most widely grown species. Other synonyms for this genus include Adenium arabicum, Adenium coetaneum, and Adenium swazicum. Adenium plants have been used for medicinal purposes as well as for ornamental purposes. They prefer dry climates and well-drained soils, making them popular in many tropical and subtropical regions around the world.