<p><i>Stylidium</i>  at the edge of waterline.
</p>
Each flower 5mm across.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/63479603@N00">Jean</a> from  Perth, Australia
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jean_hort/2631348104/">Trigger plant</a>