On that basis, Zona proposed that the name "Roystonea regia" should be conserved. "Roystonea regia" plays an important role in popular religion in Cuba. "Roystonea regia" has been planted throughout the tropics and subtropics as an ornamental. In cultivation, "Roystonea regia" is called the Cuban royal palm or simply the royal palm. "Roystonea regia" is the host plant for the royal palm bug, "Xylastodoris luteolus", in Florida.