Perennial herbaceous plant measuring around 40 cm in height. Spear-shaped, aromatic leaves and lilac flowers, which form a cyme. Has a minty flavour and is used in herbal infusions, either on its own or mixed with other herbs. Has medicinal properties as a stomach tonic, digestive aid and carminative agent. CULTIVATION: humid environment and fertile soil. The leaves can be used when green, or dried in the shade.