Isolona congolana A flowering branch B Flowers C young flower bud D flower E transversal section of flower showing receptacle, stigma and stamens F stamen G fruit A, C–F Leeuwenberg 9550 B Wesphal 10012 G Richardson 234. Drawings by Hans de Vries (Couvreur 2009, fig. 19, p. 39).

  Part of: Couvreur TLP, Dagallier L-PMJ, Crozier F, Ghogue J-P, Hoekstra PH, Kamdem NG, Johnson DM, Murray NA, Sonké B (2022) Flora of Cameroon – Annonaceae Vol 45. PhytoKeys 207: 1-532.