This name is a synonym of Acer shirasawanum Koidz..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Möller's Deutsche Gärtn.-Zeitung 3: 268 1888.
This name was in version 1 of The Plant List, record kew-2870813.