Dipteryx is a genus of trees in the legume family. They are commonly known as the tonka bean tree. There are several synonyms for Dipteryx, including Coumarouna, Coumarounopsis, and Dypterix. These synonyms are often used in scientific literature and can be confusing for those unfamiliar with the naming conventions of plant taxonomy. While the names may differ, all of these genera are members of the legume family and share many of the same characteristics. The tonka bean tree is a valuable resource for its flavorful seeds, which are used in the food and perfume industries.