It originates from the Mediterranean basin but it is spread in India and in some Atlantic islands. It is a herbaceous, perennial and evergreen plant belonging to the family Labiatae. The leaves, narrow and elongated, end with an ear-shaped inflorescence of violet/purple color. Inside of this there are glands containing the base aromatic oil for the production of various fragrances used in the cosmetics and as a spice in the kitchen. The Stoechas variety has slightly silver leaves and it produces larger dark purple flowers, surmounted by a characteristic tuft of purple bracts.