This name is a synonym of Cypripedium × niobe Rolfe.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54093) with original publication details: Garden (London 1871-1927) 1890: 150 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:625751-1.
This name was in version 1 of The Plant List, record kew-54093.