Sheep sorrel, also known as sour grass, is a plant that belongs to the buckwheat family and is commonly used in herbal medicines for its medicinal properties. Some synonyms for sheep sorrel include common sorrel, field sorrel, and red sorrel. Other common names for this plant include garden sorrel, sour dock, and sheep's head. The plant has a distinct lemony flavor and is often used in salads, soups, and sauces. Sheep sorrel is also used as a natural remedy for various conditions such as diarrhea, fever, and inflammation. With its numerous health benefits, sheep sorrel is a popular herb that is used widely in culinary and medicinal practices.