This name is a synonym of Quercus chenii Nakai.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 453709) with original publication details: Acta Sci. Nat. Univ. Amoiensis 3: 96 1952.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Quercus acutissima in version 1 of The Plant List.