Roystonea regia, commonly known as the Cuban royal palm, is a species of palm native to Florida, Mexico, and parts of Central America and the Caribbean. It belongs to the order Arecales, and the family Arecaceae. Populations in Cuba and Florida were seen as a separate species for a long period of time, but are now seen as belonging to a single species. It best known as an ornamental tree, but its wood is used for thatch and construction timber, as well as for medicinal purposes.
The royal palm typically reaches a height of sixty-six to ninety-eight feet (twenty to thirty meters), with heights of 113 feet (34.5 meters) reported.