This name is a synonym of Pachystegia insignis (Hook.f.) Cheeseman.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 597B1E8A-F67D-43B4-8ACE-1821D52375CD) with original publication details: Revis. Gen. Pl. 1 316 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181835-1.
This name was in version 1 of The Plant List, record gcc-12944.