The Mint Family Members are two herbs, Thymes and Basils. Thymes is a perennial herb with small, aromatic leaves and white or pink flowers. It is used in cooking, as a medicinal herb, and for its essential oils. Basils are annual herbs with large, fragrant leaves and white or purple flowers. They are used in cooking, as a medicinal herb, and for their essential oils. Both herbs are popular in many cuisines around the world.