Uvariastrum pierreanum A habit B flower, side view, one outer and one inner petal removed C flower, side view D flower bud, note folded sepal margins J young fruits. Uvariastrum zenkeri F habit, U. zenkeri is the smaller tree, note yellow flowers E flower, top view G base of leaf blades, lower side H base of leaf blade, upper side, note leaf blade inserted on top of the petiole I fruit A–D Couvreur 454, Lélé, Cameroon E, G, H Couvreur 624, Ebo, Cameroon F Couvreur 877, Gabon I Couvreur 572, Gabon J Couvreur 590, Gabon. Photos Thomas L.P. Couvreur.

 
 
  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. https://doi.org/10.3897/phytokeys.207.61432