Oenothera deltoides ssp.howellii

 

Antioch Dunes Evening Primrose (Oenothera deltoides ssp. howellii) is a rare (federally endangered) native perennial herb that grows in Central California, primarily in the SF Bay region. It tends to grow in dunes, at elevations from 0-5900 feet.

 

Antioch Dunes Evening Primrose (calscape.org)

https://youtu.be/FXjfkvyGs_4?t=316