Xylopia wilwerthii A Habit with nearly mature flower bud B Habit, with open flower C Fruit, side view D Seed, view of micropylar end E Seed, side view F Fertile stamen, abaxial view G Staminode, abaxial view H Flower with petals and some stamens removed, side view I Longitudinal section of flower, with petals removed, showing ovaries surrounded by staminal cone J Inner petal, adaxial view K Outer petal, adaxial view. A, C from Carrington 7 (K) B, F–K from Donis 2041 (BR) D, E from Trochain 9603 (P).

  Part of: Johnson DM, Murray NA (2018) A revision of Xylopia L. (Annonaceae): the species of Tropical Africa. PhytoKeys 97: 1-252. https://doi.org/10.3897/phytokeys.97.20975