Thursday, April 19, 2007
Nepeta cataria
Catnip and catmints are mainly known for, and named after, the effects they have on cats, particularly domestic cats. At least three species attract cats: Nepeta cataria, N. grandiflora and N. × faassenii, but most other species have not been tested.[citation needed] Of these, 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...
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