Mojave pricklypear (Opuntia erinacea), showing long spines, pads, and yellow flower.  At about 1,990 m (6,530 ft) in Lower Rock Creek canyon, Mono County, California.
<a href="//commons.wikimedia.org/wiki/User:Dcrjsr" title="User:Dcrjsr">Dcrjsr</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>