No it is not recommended.
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Some vegetable leaves that are eaten are lettuce, spinach, and kale.
Comfrey leaves are called "लाख घास" (lakh ghaas) in Hindi.
Yes. It is the stalk of the rhubarb plant which is cooked and eaten. P.S. The leaves are poisonous.
Comfrey is an herb that has medical values. This herb can be used for soreness and rheumatism.
Lettuce, but there are different types of it.
I have done an extensive search and found no listings for comfrey oil. The leaves and the roots are the parts most commonly used. Comfrey is used to treat wounds, cuts, abrasions and skin disorders as it simulates cell growth.
Not to be eaten in large quantities. Small quantities of the leaves of sheep sorrel may be eaten in salads or boiled as a green vegetable.
Cocaine is neither a fruit or vegetable, but a drug. It is made, by a long chemical extraction process, from leaves (of the coca plant, NOT the same plant as cocoa or cacao, from which chocolate is made). The leaves themselves might be considered vegetables if they were eaten. But they not really eaten. They are just slowly chewed and then spit out, so they're really more of an herb.
Pechay is known as napa cabbage or Chinese cabbage in the US. It is a leafy vegetable that is used in many foods. The outer leaves are often used in soups and stews and the tender inner leaves are often eaten raw.
The address of the Comfrey Area Library is: 306 Brown Street West, Comfrey, 56019 1023
Comfrey in Tamil is called "பன்னீர் கீரை" (Panneer Keerai).
It is a fruit but eaten as a vegetable