Illustration from book
<a href="//commons.wikimedia.org/wiki/Paul_Hermann_Wilhelm_Taubert_(1862-1897)" class="mw-redirect" title="Paul Hermann Wilhelm Taubert (1862-1897)">Paul Hermann Wilhelm Taubert (1862-1897)</a>
1891
<i>Leguminosae.</i> in <br>Engelmann (ed.): <i>Natürliche Pflanzenfamilien. Vol. III, 3.</i>