Hedgehog cactus <i><a href="//commons.wikimedia.org/wiki/Echinocereus_triglochidiatus" title="Echinocereus triglochidiatus">Echinocereus triglochidiatus</a></i> (also known as the Claretcup cactus), photographed on the Lost Horse Mine Trail at Joshua Tree National Park, CA, USA.
<a href="//commons.wikimedia.org/wiki/User:Ciar" title="User:Ciar">Ciar</a>
<span class="int-own-work" lang="en">Own work</span>