Uvariastrum pierreanum A flowering branch B flower, cauliflorous C outer petals, inner and outer view D longitudinal section of receptacle E stamen, front view F carpel, front and side view, and detail of ovules G fruit. Uvariastrum insculptum H flowering branch I flower bud, note reflexed sepal margins J outer petals, inner and outer view K stamen, front view L carpel, front view and detail of ovules M detail of monocarp, and N longitudinal section of monocarp showing seeds A, B from Letouzey 2670 C–G from Le Testu 6083 H from Klaine 99 I, J, N from Staudt 740 K–M from Aubréville 1331. Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; modified from Le Thomas (1969b, pl. 53, p. 293).