Barberry

Berberis , commonly known as barberry, is a large genus of deciduous and evergreen shrubs from 1–5 m (3.3–16.4 ft) tall, found throughout temperate and subtropical regions of the world. Species diversity is greatest in South America and Asia;

The dried fruit of Berberis vulgaris is used in herbal medicine. The chemical constituents include isoquinolone alkaloids, especially berberine. A full list of phytochemicals was compiled and published in 2014.

Berberis vulgaris grows in the wild in much of Europe and West Asia. It produces large crops of edible berries, rich in vitamin C, but with a sharp acid flavour. In Europe for many centuries the berries were used for culinary purposes much as citrus peel is used. Today in Europe they are very infrequently used. The country in which they are used the most is Iran.