Photo: Oenothera fruticosa 3.

Flowering plants. Annala, Helsinki, Finland. Planted. 2005-07-25.

Oenothera fruticosa Roth
Engl.: golden sundrops, narrowleaf evening-primrose.
Deu.: Strauchige Nachtkerze.
Suom.: kultahelokki.
Sven.: gullnattljus.
Bot. syn.: Kneiffia glauca (Michx.) Spach, Kneiffia hybrida (Michx.) Small, Kneiffia latifolia Rydb., Kneiffia tetragona (Roth) Pennell, Oenothera tetragona Roth