Semi-cactus <i>Dahlia</i> "Siedlerstolz" created by Siegfried Engelhardt (Germany) in 1970
<a href="//commons.wikimedia.org/wiki/User:Loicwood" title="User:Loicwood">Loïc Evanno</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>