Root perfume is a type of fragrance that is made from the root of the ORRIS plant. ORRIS, also known as Iris germanica, is a species of flowering plant in the Iridaceae family. The root of the ORRIS plant has a sweet, earthy scent and is used to make perfumes, potpourri, and other fragrances. It is also used in aromatherapy and herbal medicine. Root perfume is known for its long-lasting scent and is often used in combination with other fragrances to create unique scents.