Rumex alpestris) is a plant in the buckwheat family, used as a culinary herb.

[3] As a culinary herb, it is used in salads, soups, and sauces (especially for fish).

[4] French sorrel tastes tart from its oxalic acid content, with a hint of lemon.

[6] French sorrel is hardy in most regions, tolerating frost, full sun and short dry spells.

[7] It grows quickly to a clump up to 1 m (3.3 ft) in diameter, with long leaves up to 10 cm (4 in) wide.