This name is a synonym of Calceolaria buchtieniana Kraenzl..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Proc. Acad. Nat. Sci. Philadelphia 103: 89 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:800433-1.
This name was in version 1 of The Plant List, record kew-2691331.