A feature of the western and southern Amazon Basin.  Yellow flowers will follow.  Amacayacu Park, Colombian Amazon.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/92252798@N07">Dick Culbert</a> from Gibsons, B.C., Canada
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/92252798@N07/18370289543/">Palicourea subspicata</a>