<i>Sphaeralcea ambigua</i>. King Canyon Wash, Tucson Mountains, Saguaro National Park West, Tucson, Arizona, USA.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/86548370@N00">Katja Schulz</a> from Washington, D. C., USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/treegrow/25828883962/">Desert Mallow</a>