Oenothera glazioviana

Oenothera glazioviana

Oenothera glazioviana Micheli.
Engl.: large-flowered evening primrose, redsepal evening-primrose.
Deu.: Rotkelchige Nachtkerze.
Sven.: jättenattljus.
Bot. syn.: Oenothera erythrosepala Borbias, Oenothera lamarckiana auct.

I have no articles for this botanical term, but there might be some for the next level down (if found).