Xylopia cupularis. A Bud and partially open flower B Diagrammatic drawing of dehisced monocarp, showing seed arrangement C Fruit D Longitudinal section of flower with petals removed, to show the calyx, stamens attached to staminal cone, and carpels inside the cone E Stamen, abaxial view F Base of inner petal, adaxial view G Leaves H Seed, viewed from micropylar end I Seed, side view J Detail of indument on lower leaf surface. A, D–G from Gerard 5583 (MO) B, C, H–J from Sita 4118 (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