Which Genus has more species Darmera or Roystonea ?
Roystonea: Roystonea is a genus of eleven species of monoecious palms, native to the Caribbean Islands, and the adjacent coasts of Florida and Central and northern South America. Darmera: Darmera peltata (Indian rhubarb or umbrella plant) is a flowering plant, the only species within the genus Darmera in the family Saxifragaceae.
Roystonea