This name is a synonym of Cattleya walkeriana Gardner.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 35923) with original publication details: Gard. Chron. 1870: 1373 1870.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:622090-1.
This name was in version 1 of The Plant List, record kew-35923, and has not been changed.