⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50082490, with some changes.
This name is a synonym of Oenothera contorta var. flexuosa .
The record derives from Tropicos which reports it as a synonym (record 50082490
) with original publication details: Fl. Rocky Mts. 601 601 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1160808-2
.