The Genus Selenicereus refers to a group of cacti that are native to Central and South America. These cacti are well-known for their beautiful and fragrant flowers that bloom at night. Some common synonyms for the Genus Selenicereus include Moon Cactus, Night-blooming Cereus, and Queen of the Night. These names all capture the striking beauty of these cacti and the unique qualities that make them stand out from other varieties of cacti. Whether you prefer to call them by their scientific name or one of their more creative synonyms, there is no denying the allure and charm of these stunning plants.