Toussaintia hallei A flowering branch, note the dense network of tertiary veins on levaes B detail of pubescence lower leaf side C inflorescence diagram with large prophyl at the base D flower bud, top view E detail of opened flower, note the androgynophore part of receptacle F longitudinal cut of flowering receptacle G details of stamens, side and front views H details of carpels front view, and latitudinal cut I floral diagram (black. sepals; dashed petals) J, K floral diagrams showing the variable number of petals; Toussaintia congolensis Boutique (not in Cameroon) L flower bud M flower bud top view A–K Hallé 4189, based on living material L, M Wagemans 1677. Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; modified from Le Thomas (1969b; pl. 3, p. 31).