Mentha pulegium L. (Pennyroyal)

Mentha pulegium L. – (Pennyroyal, pulegium, pudding grass)

Perennial grass of the Mint family -Labiatae- up to 50 cm. Stems generally crawling, where the floral peduncles are born from. Oval leaves up to 2 cm long with shorter petioles than the peduncles; oval, covered with a dense gray pubescence and with blunt teeth. Flowers up to 6 mm, lilac or rosy, more rarely white, gathered in rounded verticils. Calyx with irregular teeth, pubescent as the floral peduncles. It is a plant with very penetrating scent. In humid areas, next to the ponds, rivers and prairies.