Fishhook Barrel Cactus (Ferocactus wislizeni), photo taken in Tucson, AZ
Susan Lynn Peterson <a href="//commons.wikimedia.org/w/index.php?title=User:Sue_in_az&amp;action=edit&amp;redlink=1" class="new" title="User:Sue in az (page does not exist)">Sue in az</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>