⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-53950, with some changes.
Cypripedium calceolus var. planipetalum
is a synonym
of Cypripedium parviflorum var. pubescens
This name is a synonym of Cypripedium parviflorum var. pubescens .
The record derives from WCSP which reports it as a synonym (record 53950) with original publication details: Contr. Inst. Bot. Univ. Montréal 36: 68 1940.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:75346-2.