The gross morphology of two specimens had been identified as Carpinus monbeigiana and one as C. mollicoma. A C. monbeigiana from Yunnan (H. Peng et al. H-Lanping-Z1124, KUN) B C. monbeigiana from Tibet (B.S. Li et al. 6467, PE) C C. mollicoma from Yunnan (Z.Q. Lu 201511501, LZU). The number of the lateral leaf veins is totally different between two specimens from Yunnan and Tibet (A and B).