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 36172) with original publication details: Bol. CAOB 5(3): 14 1993.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1005976-1.
This name was in version 1 of The Plant List, record kew-36172, and has not been changed.