Is the Nipponanthemum or Graptopetalum native to Japan?
Graptopetalum: Graptopetalum (leatherpetal) is a plant genus of the family "Crassulaceae". Graptopetalum:  They are perennial succulent plants and native to Mexico and Arizona. Graptopetalum:  They grow usually in a rosette.
i don't know