Photo: Oenothera flava.

Flowering plant. AZ, US. Wild. 1998-03-01.
Oenothera flava (A. Nels.) Garrett Engl.: yellow evening-primrose. Bot. syn.: Oenothera taraxacoides (Woot. & Standl.) Munz
Personal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.
Photo: Oenothera flava.