Annona Glabra, also known as pond apple or alligator apple, is a fruit tree that is native to Florida, the Caribbean, and parts of South and Central America. It is also part of the Annonaceae family. This tree is often found in wetland areas and swamps, and produces a large, green, oblong fruit, which has a unique flavor, and is commonly used for medicinal purposes. Synonyms for Annona Glabra include swamp apple, corkwood tree, and monkey apple. The swamp apple term comes from the tree's natural habitat, while the corkwood tree term comes from the tree's dark brown bark, which is sometimes used for cork production.