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.
Cyrillaceae The Cyrillaceae are a small family of flowering plants in the order Ericales, native to warm temperate to tropical regions of the Americas. The family comprises two genera, "Cliftonia" and "Cyrilla", each containing a single species, "Cliftonia monophylla" and "Cyrilla racemiflora". However, additional species of "Cyrilla" are now often recognized and the genus is in need of taxonomic revision.