This name is a synonym of Phaius grandiflorus (Nadeaud) Govaerts.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 151103) with original publication details: Univ. Calif. Publ. Bot. 12: 161 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:650480-1.
This name was in version 1 of The Plant List, record kew-151103.