Nude buckwheat (Eriogonum nudum), showing binary branching with flowerheads at nodes as well as branch ends.  At about 9000ft along High Trail (part of Pacific Crest Trail) above Agnew Meadows, Ansel Adams Wilderness, 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>