St. Thomas' tree's native range spans across parts of the African continent and certain regions in Asia. Additionally, st. Thomas' tree has been introduced to other major regions, including parts of North and South America, the Asia-Pacific region, and West Africa. While st. Thomas' tree has a broad presence, in some areas, it is sometimes thought to be a botanical guest that may have an impact on ecosystems. Specifically, st. Thomas' tree is considered an unwelcome invader in one Caribbean island, where its ecological influence is cautiously assessed.