This name is a synonym of Cypripedium × pavoninum Rchb.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54040) with original publication details: Gard. Chron. III, 8: 747 1890.
This name was in version 1 of The Plant List, record kew-54040.