<a href="https://en.wikipedia.org/wiki/Eriogonum_nudum" class="extiw" title="w:Eriogonum nudum">Nude buckwheat (<i>Eriogonum nudum</i>)</a>, flowerhead closeup.  
<ul><li>At 8800ft along River Trail up the San Joaquin headwaters, in Devil's Postpile National Monument, California.</li></ul>
<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>