What is catnip and why do cats love it so much?
Nepeta is a genus of about 250 species of flowering plants in the family Lamiaceae. The members of this group are known as catnips or catmints due to its famed liking by cats—nepeta pleasantly stimulates cats’ pheromonic receptor. The genus is native to Europe, Asia, and Africa, with the highest species diversity in the Mediterranean region east to mainland China. It is now common in North America as a weed. Catnip and catmints are mainly known for the narcotic and hallucinogenic effects they have on cats, particularly domestic cats. Both true catnip and Faassen’s catnip have a sharp, biting taste, while the taste of giant catmint is bland. Approximately two thirds of cats are susceptible to the effects of catnip, as the phenomenon is hereditary. The fact that it only elicits such a response in a proportion of cats—and that it is such a dramatic response—suggests that a genetic element is involved that is enriched in domesticated breeds. When cats sense the bruised leaves or stems of c
