Genus Dioon is a group of cycad plants that are native to mainland America and Mexico. Dioon spinulosum, Dioon edule, Dioon merolae, and Dioon holmgrenii are some of the species of the Genus Dioon. Although there are no exact synonyms for the Genus Dioon, some people refer to it as the "Mexican cycad," "Dioon cycad," or just "Dioon." This plant group has gained popularity as an ornamental plant due to its unique shape and exotic vibe. While the common names of Dioon may vary, one thing remains constant- its distinct look and resilience. No matter what you call it, the Genus Dioon will add an interesting and exciting touch to any garden or landscape.