Oenothera flava

Oenothera flava (A. Nels.) Garrett. Engl.: yellow evening-primrose. Bot. syn.: Oenothera taraxacoides (Woot. & Standl.) Munz.

Photo: Oenothera flava.

Photo: Oenothera flava. Flowering plant. AZ, US. Wild. 1998-03-01.