This name is a synonym of Polyscias oahuensis (A.Gray) Lowry & G.M.Plunkett.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 88616) with original publication details: U.S. Expl. Exped., Phan. 1: 726 1854.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:90519-1.
This name was in version 1 of The Plant List, record kew-88616.