Flowers on a <i>Prunus spinosa</i> (also known as <i>blackthorn</i> and <i>sloe</i>) bush in Sweden.
<a href="//commons.wikimedia.org/wiki/User:Green_Yoshi" title="User:Green Yoshi">Green Yoshi</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>