Cow parsnip (Heracleum lanatum), young plant showing big leaves, emerging buds, and large, hollow, fuzzy stems.  At 8300ft in Agnew Meadows, near road to Devils Postpile National Monument from Mammoth Lakes, 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>