⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-376267, with some changes.
This name is a synonym of Cypripedium macranthos Sw..
The record derives from WCSP which reports it as a synonym (record 376267) with original publication details: Fl. Jap. 342 1953.