This name is a synonym of Oenothera rosea L'Hér. ex Aiton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50314708) with original publication details: Bot. Mag. 10: pl. 352 1796.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:173320-2.
This name was in version 1 of The Plant List, record tro-50314708.