⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50109418, with some changes.
This name is a synonym of Oenothera hookeri var. irrigua (Wooton & Standl.) R.R. Gates.
The record derives from Tropicos which reports it as a synonym (record 50109418) with original publication details: Contr. U.S. Natl. Herb. 16(4): 155 155 1913.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:173107-2.