⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50089481, with some changes.
This name is a synonym of Oenothera grandiflora var. tracyi .
The record derives from Tropicos which reports it as a synonym (record 50089481
) with original publication details: Rhodora 13(154): 210-211, pl. 93 210 1911.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:173493-2
.