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.
Telminostelma Telminostelma is a genus of plants in the Apocynaceae, first described as a genus in 1885. It is native to Brazil and Bolivia in South America.