Sorrel is a perennial herbaceous plant in the family Polygonaceae. It is also called common sorrel, meadow sorrel, green sorrel, sour dock, spinach dock and narrow-leaved dock.

The docks and sorrels, genus Rumex, are a genus of about 200 species of annual, biennial, and perennial herbs in the buckwheat family, Polygonaceae. Members of this genus are common perennial herbs wi