Abstract:Objective:To provide reference materials for the classification and identification of Pueraria spp by studying the cuticular patterns on corolla surface Method:The cuticular patterns of corolla were observed under SEM(scanning electron microscope)Result:The species of the genus Pueraria are defferent from each other in cuticular patterns Conclusion:The diagnostic characters of the cuticular patterns on corolla surface can be used for the classification and identification of Pueraria spp.