Nutmeg and Mace: Of course, Nutmeg and Mace come from the same fruit, nutmeg being the seed and mace a fleshy, red aril attached to the seed. You’ll typically not see the fruit, which is a leathery Coccum, a pliable structure that splits along two lines. If it only split along a single line (hinged on the other edge), we’d call it a Follicle. Indeed, that is what Judd et al accept for this group.
For the Cook, Nutmeg will hang out with other spices, but a Systematist would have solid conviction we should set it alongside PawPaws, or Custard Apples (all of which are in the Magnolia evolutionary line along with nutmeg). All of those fruit would displayed reasonably close to Avocados and Sassafras leaves (if a Systematist ran the market).