Sheep Sorrel Herb,Sour weed, Red Sorrel

Rumex acetosella, commonly known as sheep's sorrel, red sorrel, sour weed and field sorrel,

is a species of flowering plant in the buckwheat family Polygonaceae.

Sheep Sorrel is also the main herb used in Essiac Tea for treating cancer.

Sheep sorrel does have some culinary value as a garnish and a tart flavoring agent in salads and soups,

and is one of the main ingredients in Chinese hot and sour soup.