⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Oenothera pallida in version 1.1 of The Plant List.
This name is a synonym of Oenothera pallida var. trichocalyx .
The record derives from Tropicos which reports it as a synonym (record 23200589
) with original publication details: N. Amer. Fl., ser. 2, 5: 119 119 1965.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:173252-2
.