In between Symphytum and Bolax which one is endemic to temperate South America?
Symphytum Symphytum is a genus of flowering plants in the family Boraginaceae. Its species are known by the common name comfrey. There are up to 35 known species. Some species and hybrids, particularly "S. officinale" and "S." × "uplandicum", are used in gardening and herbal medicine.
Goupia glabra Goupia glabra (goupie or kabukalli; syn. "G. paraensis, G. tomentosa") is a species of flowering plant in the family Goupiaceae (formerly treated in the family Celastraceae). It is native to tropical South America, in northern Brazil, Colombia, French Guiana, Guyana, Surinam, and Venezuela.