This name is a synonym of Phaius mishmensis (Lindl. & Paxton) Rchb.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 150994) with original publication details: Bonplandia (Hannover) 3: 226 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:650393-1.
This name was in version 1 of The Plant List, record kew-150994, and has not been changed.