The bullock's heart tree, also known as the bull's heart tree, is a species of flowering tree that is native to Central and South America. It is scientifically known as Annona reticulata and is a member of the Annonaceae family. The tree is known for its large, heart-shaped fruit that is sweet and fragrant. In different regions of the world, the bullock's heart tree is also referred to as the custard apple, cherimoya, or soursop. The fruit of the tree is highly regarded for its nutritional benefits and is used in a variety of culinary dishes, including desserts, smoothies, and juices.