<p><i><a href="//commons.wikimedia.org/wiki/Chloraea_cristata" title="Chloraea cristata">Chloraea cristata</a></i> Lindl. (1834)
20081207.2
between Temulco and Villarrica, Chile
</p><p>Tentative ID based on photos at chileflora.com.
</p>
(Note, these were growing interspersed with the other white orchid, numbered 20081207.1, although these yellow ones were much less common.  Both were growing right along the margin of the highway, the white ones almost abundant in places.)
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7147684@N03">Jason Hollinger</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7147684@N03/3439818254/">Chloraea cristata</a>
</p>
<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Orchi" title="User:Orchi">Orchi</a></li></ul>