The Genus Alstonia is a group of trees commonly found in the tropics of Asia and Australia. These trees are known for their high commercial value due to their timber and medicinal properties. Some of the common synonyms for the Genus Alstonia are Alamanda, Devil tree, Dita bark, Echites, Pulai, Saptaparni, and White cheesewood. These synonyms have been derived from the various local names used for the tree in different countries. The bark of the Alstonia tree is used in different forms of traditional medicine such as Ayurveda and Chinese medicine. Even though the Genus Alstonia is vulnerable to habitat loss and deforestation, its importance in the ecosystem and medicine continues to be recognized.