Oenothera hartwegii ssp. filifolia (Eastw.) W.L. Wagner & Hoch  

Family: Onagraceae

Hartweg's sundrops, more...Hartweg's sundrops

[Calylophus hartwegii ssp. filifolius (Eastw.) Towner & P.H. Raven, moreCalylophus hartwegii var. filifolius (Eastw.) Shinners, Calytophus hartwegii var. filifolius (Eastw.) Towner & P.H. Raven, Oenothera hartwegii var. filifolia (Eastw.) Munz, Oenothera tubicula var. filifolia Eastw.]