Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult.  

Family: Onagraceae

Oakes' Evening-Primrose

[Oenothera ammophiloides R. R. Gates & Catches., moreOenothera magdalena R. R. Gates, Oenothera rubescens Bartlett, Oenothera stenopetala E. P. Bicknell]