Caesalpinioideae is a term used to describe a subfamily of flowering plants, commonly known as the legume family. This subfamily consists of around 170 genera and approximately 2,500 species of trees, shrubs, and herbs. While there are no exact synonyms for Caesalpinioideae, there are some related terms that can be used interchangeably, such as the Caesalpiniaceae family, which was previously used to describe this group of plants. Some additional synonyms that are commonly used to refer to Caesalpinioideae include the Caesalpinaceae subfamily, the legume family, and the pea family. These terms are useful for botanists, horticulturists, and anyone else interested in studying or cultivating these plants.