What is the nearest spice to mace?

The nearest spice to mace is nutmeg, as both come from the same tree, the Myristica fragrans. Mace is the dried aril that surrounds the nutmeg seed, while nutmeg itself is the seed. Both spices have similar flavors, but mace tends to be more delicate and slightly sweeter. They can often be used interchangeably in recipes, depending on the desired flavor profile.