This name is a synonym of Oenothera deserticola (Loes.) Munz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50004101) with original publication details: Amer. J. Bot. 19(9): 759 1932.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:173321-2.
This name was in version 1 of The Plant List, record tro-50004101, and has not been changed.