Xylopia staudtii A flowering branch B flower bud, side view C detail of receptacle, petals removed D outer petal, inner view E inner petal, outer view G stamen H staminode, outer whorl H staminode, inner whorl I carpel, side view and detail of ovules J fruit K seed, front view L part of the aril. 1 from Letouzey 5404 B–I from Le Testu 9287 J–L from Aubréville 1941. Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; modified from Le Thomas (1969b; pl. 29, p. 163).