This name is a synonym of Mahonia oiwakensis Hayata.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50101275) with original publication details: Guihaia 14(1): 18–19, pl. 1, f. 1, pl. 2, f. 2–6 1994.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:976754-1.
This name was in version 1 of The Plant List, record tro-50101275, and has not been changed.