<i><a href="//commons.wikimedia.org/wiki/Parkinsonia_aculeata" title="Parkinsonia aculeata">Parkinsonia aculeata</a></i> photographed in Buckskin Mountain State Park, Arizona. <br>The (dry, small) grayish shrubs are <i>Encelia</i>, probably <i>Encelia farinosa</i>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/28340342@N08">Homer Edward Price</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/28340342@N08/6899105682/">Mexican Palo-Verde</a>