Genus Hylocereus is a type of cactus with multiple synonyms. The most common synonyms for this genus are Hylocereus undatus and Hylocereus costaricensis. This species is known for producing large, delicious fruits commonly known as dragon fruit or pitaya. The plant is native to Central and South America and is now grown in many parts of the world, including Southeast Asia and Australia. The fruit produced by this plant is high in antioxidants, fiber, and vitamins. It is used in a variety of culinary dishes, including smoothies, salads, and desserts. With its unique appearance and nutritional benefits, the Hylocereus genus continues to gain popularity around the world.