[Objective] The aim was to provide taxonomic for identifying Eructus rutaecarpa(Juss.) Benth and its variety E.rutaecarpa(Juss.) Benth.var.officinalis(Dode).[Method] Pollen morphology of wild E.rutaecarpa and E.rutaecarpa var.officinalis was examined by scanning electron microscope.[Result] The pollens of E.rutaecarpa and its variety showed no meaningful difference in shape and structure,the number of germinal furrow and the surface sculptures,but difference in shape of germinal furrow and depth of vein eye...