This name is a synonym of Cypripedium × cassiope Rolfe.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54352) with original publication details: Orch.-Grow. Man. ed. 7: 296 1894.
This name was in version 1 of The Plant List, record kew-54352.