Unusual Herbs: Cat's Claw

Many North Americans have probably never even heard of cat's claw. In fact, as far as I can ascertain, it is not even grown in the United States. Nevertheless, this South American native may become better known in the north as more and more people learn of its health benefits and its potential as a cancer-fighting herb.

Cat's claw (Uncaria tomentosa, U. guianensis) belongs to the same family of plants (Rubiaceae) as coffee and gardenias; although, it resembles neither. Known as una de gato in its native Peru, cat's claw is a woody vine that …