Photo: Oenothera speciosa.

Flower. Tokyo bot.g., Japan. Wild. 2008-06-11.
Oenothera speciosa Nutt. Engl.: pinkladies, showy evening primrose. Deu.: Rosa Nachtkerze, Weisse Nachtkerze. Sven.: silvernattljus. Bot. syn.: Hartmannia speciosa (Nutt.) Small, Oenothera delessertiana Steud.
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Photo: Oenothera speciosa.