Rock fringe (Epilobium obcordatum), massed cluster of brillant magenta blooms around rock edges. At 10,800ft in a boulder-field gully below the Dana Plateau near Tioga Pass, in the Ansel Adams Wilderness, Sierra Nevada mountains USA.
<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>