This name is a synonym of Cypripedium × ventricosum Sw..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 345216) with original publication details: Veg. Siber.-Mongol. Front. 186 1921.
This name was in version 1 of The Plant List, record kew-345216.