Monodora zenkeri A flowering branch B outer petal, inside view C inner petal, inside view D androecium with missing stigma E stamen, front view. Monodora undulata F leaf G flower H outer petal, inside view I inner petal, inside view J androecium and stigma A from Zenker 776 B–E from Breteler 2747 F–I from Preuss 1314 J from Bos 3227. Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; Drawings B, C and J Hans de Vries (Couvreur 2009, fig. 69, p. 129).