Pitaya (<i><a href="https://en.wikipedia.org/wiki/Stenocereus_thurberi" class="extiw" title="en:Stenocereus thurberi">Stenocereus thurberi</a></i>) from the Sonora Desert, Mexico.
<a href="//commons.wikimedia.org/wiki/User:Tomascastelazo" title="User:Tomascastelazo">Tomas Castelazo</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>