Rachel:
 >Sweet potatoes are often sold under the name "yam" in America.
 >However red garnet and jewel "yams" are actually sweet potatoes.
 >White sweet potatoes (aka jersey sweets), and Japanese sweet
 >potatoes, are also sweet potatoes.  True yams are not sweet,
 >nor are they rich in betacarotene.

Where can I buy "true yams" in the US?

Thanks.

Peter