Venation. <b>Legend: a.</b> pinnate, <b>b.</b> reticulate, <b>c.</b> parallel, <b>d.</b> palmate, <b>e.</b> fan, dichotomous.
Agnieszka Kwiecień (<a href="//commons.wikimedia.org/wiki/User:Nova" title="User:Nova">Nova</a>)
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>