This name is a synonym of Oenothera elata Kunth.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50126017) with original publication details: Bull. Acad. Int. Géogr. Bot. 19: 330 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:294809-2.
This name was in version 1 of The Plant List, record tro-50126017.