<i>Calystegia occidentalis</i>, along the Sweeney Ridge trail in San Mateo County, California.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/54259492@N00">Tom Hilton</a>
CC BY 2.0
originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/54259492@N00/2456329497">Western Morning Glory</a>