Illustration of <i><a href="//commons.wikimedia.org/wiki/Clavija_ornata" title="Clavija ornata">Clavija ornata</a></i>
William Jackson Hooker (1785-1865)
1856
Curtis's botanical magazine vol. 82 ser. 3 nr. 12 tab. 4922 (<a rel="nofollow" class="external free" href="http://www.botanicus.org/page/438406">http://www.botanicus.org/page/438406</a>)