<a href="//commons.wikimedia.org/wiki/Category:Cannabis_sativa" title="Category:Cannabis sativa">Hemp plant.</a> A flowering male and B seed-bearing female plant, actual size; 1 male flower, enlarged detail; 2 and 3 pollen sac of same from various angles; 4 pollen grain of same; 5 female flower with cover petal; 6 female flower, cover petal removed; 7 female fruit cluster, longitudinal section; 8 fruit with cover petal; 9 same without cover petal; 10 same; 11 same in cross-section; 12 same in longitudinal section; 13 seed without hull.
<bdi><a href="https://en.wikipedia.org/wiki/en:Walther_Otto_M%C3%BCller" class="extiw" title="w:en:Walther Otto Müller"><span title="German botanist (1833-1887)">Walther Otto Müller</span></a>
</bdi>
1887
From Franz Eugen Köhler's <a href="//commons.wikimedia.org/w/index.php?title=Category:Koehler1887&amp;action=edit&amp;redlink=1" class="new" title="Category:Koehler1887 (page does not exist)">Medizinal-Pflantzen</a>. Published and copyrighted by Gera-Untermhaus, FE Köhler in 1887 (1883–1914). Obtained from <a rel="nofollow" class="external free" href="http://caliban.mpiz-koeln.mpg.de/~stueber/koehler/">http://caliban.mpiz-koeln.mpg.de/~stueber/koehler/</a> . Originally uploaded to wikipedia by <a href="https://en.wikipedia.org/wiki/User:Chmod007" class="extiw" title="w:User:Chmod007">w:User:Chmod007</a> on 19:57, 14 November 2004.  An enhanced version was uploaded to wikipedia by <a href="https://en.wikipedia.org/wiki/User:DarkEvil" class="extiw" title="w:User:DarkEvil">w:User:DarkEvil</a> on 17:39, 14 December 2006