Genus Coumarouna is a group of plants that belong to the family Rutaceae and are commonly known as tonka beans. These beans are native to South America and contain an aromatic compound called coumarin, which is used as a flavoring agent in various culinary applications. The synonyms for Genus Coumarouna include Dipteryx, a genus containing about 60 species of trees, shrubs, and vines that are native to the tropical regions of South America, and Cumaru, the Portuguese term for tonka beans. These synonyms highlight the diverse range of species that belong to this genus and their significance in the culinary world.