Uvariodendron fuscum var. giganteum A leaf B flower bud, side view C flower bud, side view D detail of receptacle, two outer and one inner petals removed E outer petal, outer view F inner petal, outer view G stamen H carpel, side view and detail of ovules I longitudinal section of receptacle J floral diagram K fruit, longitudinal sections of monocarps A–K from Hallé 3156 (as U. giganteum). Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; modified from Le Thomas (1969b, pl. 50, p. 279).