Drawing of a flower of <i>Brunfelsia</i> to show the insertion of the stamens.
<a href="//commons.wikimedia.org/wiki/User:Carstor" title="User:Carstor">User:Carstor</a>
CC BY 3.0
own work, partly redrawn from <a href="//commons.wikimedia.org/wiki/File:Franciscea_confertiflora.png" title="File:Franciscea confertiflora.png">Image:Franciscea confertiflora.png</a>