<i>Opuntia monacantha</i> flowers.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/90963248@N00">Vince Alongi</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/90963248@N00/262661102/">Thorny Cluster</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Uleli" title="User:Uleli">uleli</a></li></ul>