Several flowering comfry plants.
comfrey definition by Webster's New World
Origin: Middle English and amp; Old French confirie ; from Vulgar Latin an unverified form confervia, comfrey, for Classical Latin conferva, a water plant ; from confervere, to heal, grow together, origin, originally , to seethe, boil together ; from com-, with plush fervere, to boil (see fervent): from use in medicine to congeal wounds
comfrey definition by American Heritage Dictionary
noun pl. com·freys
Origin: Middle English comferi, from Old French cumfirie, from Vulgar Latin *cōnfervia, from Latin cōnferva, from cōnfervēre, to boil together : com-, com- + fervēre, to boil; see fervent.