Xylopia lukei and X. mwasumbii. A–F, H X. lukei A Habit B, C Stamens, abaxial view D Outer petal, adaxial view E Inner petal, adaxial view F Flower, side view H Flower with petals removed, showing carpels G, I–P X. mwasumbii G Fruit I Leaves J Flower, side view K, M Stamens, abaxial view L Gynoecium and surrounding staminal cone N Flower gall O Seed with aril removed, side view P Seed with aril removed, view of micropylar end. A–F, H from Luke et al. 10166 (MO) G from Johnson & Ndangalasi 1899 (OWU) I, J from Johnson 1920 (OWU) K–M from Johnson 1928A (OWU) N from Johnson & Ndangalasi 1948 (OWU) O, P from Johnson & Ndangalasi 1884 (OWU) K–M, O, P were drawn from ethanol-preserved material and so have dimensions slightly greater than those in the description, which is based on dried specimens. Reproduced with the permission of the Board of Trustees, Royal Botanic Gardens Kew.