Nutmeg is the seed or ground spice of several species of the genus Myristica. Myristica fragrans (fragrant nutmeg or true nutmeg) is a dark-leaved evergreen tree cultivated for two spices derived from its fruit: nutmeg, from its seed, and mace, from the seed covering. Common nutmeg Culinary uses Nutmeg butter Histor Nutmeg is the spice made by grinding the seed of the fragrant nutmeg (Myristica fragrans) tree into powder. The spice has a distinctive pungent fragrance and a warm slightly sweet taste; it is used to flavor many kinds of baked goods, confections, puddings, potatoes, meats, sausages, sauces, vegetables, and such beverages as eggnog.