Figure 1.
Specimens of Carpinus polyneura Franchet A lectotype of C. polyneura (P. G. Farges s.n., P06811144) B holotype of C. dayongina K. W. Liu & Q. Z. Lin (K. W. Liu 33359, CSFI050241) C paratype of C. dayongina (Y. T. Xiao 40700, CSFI017465) D paratype of C. dayongina (Y. T. Xiao 40700, CSFI017535).