<i>Verbena</i> or <i>Glandularia</i> cv. 'Purple Thunder'<br>Purple Thunder
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/73828915@N00">Ash Smith</a> from Vancouver, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/73828915@N00/2743653">Flickr</a>