This name is a synonym of Cypripedium × euryale A.H.Kent.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54395) with original publication details: Gard. Chron. 1893(1): 682 1893.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:625986-1.
This name was in version 1 of The Plant List, record kew-54395.