This name is a synonym of Cypripedium × radiosum Rchb.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54416) with original publication details: Gard. Chron. 1888(2): 407 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:626000-1.
This name was in version 1 of The Plant List, record kew-54416.