This name is a synonym of Oenothera perennis var. rectipilis (S.F. Blake) S.F. Blake.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50120932) with original publication details: Rhodora 19(222): 110–111 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:173318-2.
This name was in version 1 of The Plant List, record tro-50120932, and has not been changed.