In between Symphytum and Bolax which one is endemic to temperate South America?
Bolax Bolax is a genus of flowering plant in the Apiaceae, with 4 or 5 species. It is endemic to temperate South America.
Spongiosperma Spongiosperma is a genus of plant in family Apocynaceae first described as a genus in 1988. It is native to the South America, nations of Venezuela, Colombia, and Brazil.