Illustration of <i>Bonnetia anceps</i>
Carl Friedrich Philipp von Martius (1794-1868)
1824
Nova genera et species plantarum brasiliensium vol. 1 plates tafel 100 (<a rel="nofollow" class="external free" href="http://www.botanicus.org/page/742028">http://www.botanicus.org/page/742028</a>)