The custard apple tree, also known as the sugar apple tree, is a tropical fruit tree native to Central America and the Caribbean. It belongs to the Annonaceae family and is a medium-sized deciduous tree with thin, glossy leaves and a dense canopy. The tree produces a sweet, creamy fruit with a custard-like texture and is commonly used in desserts and smoothies. Other descriptive synonyms for the custard apple tree include the bullock's heart, cherimoya, and soursop tree. These synonyms capture the unique shape and flavor of the custard apple fruit, which varies depending on the species of tree and its geographic location.