Article: Controversial comfrey: a fascinating plant of many uses. (includes related article on possible side effects of comfrey)

Comfrey is a fascinating plant:

* Its herbal qualities have long been known and, in the Middle Ages, it was known as knit-bone (or bone knit) for its regenerative powers.

* It seldom produces seeds, but will vigorously regrow from crowns or root cuttings.

* The leaves contain up to 40 percent protein, and could be a valuable protein source for underdeveloped countries if a method can be found to readily incorporate it into the local diet, such as through bakery products.

* Yields of over 100 tons to the acre of green matter have been reported from New Zealand and Kenya with monthly cuttings. In England, yields were generally in the ...

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