Wood sorrel is a small, herbaceous plant belonging to the genus Oxalis. It typically features clover-like leaves that are divided into three heart-shaped leaflets. The plant produces delicate, five-petaled flowers that can be white, yellow, or pink, depending on the species. Wood sorrel is commonly found in temperate regions and often grows in shady, moist areas. This plant is known for its tangy, sour flavor, which comes from the presence of oxalic acid. Wood sorrel is edible and can be used in salads, soups, or as a garnish. However, it should be consumed in moderation due to its oxalic acid content, which can be harmful in large quantities.