This name is a synonym of Carpinus polyneura var. sunpanensis (K.C.Hsia) P.C.Li.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 3600782) with original publication details: Fl. Reipubl. Popularis Sin. 21(2): 86 1979.
This name was in version 1 of The Plant List, record tro-3600782, and has not been changed.