Barberry is the name of a genus of barberry. Thorny shrubs 1 to 5 meters long. Its wood is red, brown or yellow. Its leaves are oval with sawtooth teeth and its fruits are red, oval in shape and sour in taste. The root of the barberry tree is called "wet air".

The end of spring and the beginning of summer is the flowering season of barberry, the yellow buds of barberry turn cherry red in autumn.

Barberry is native to temperate and subtropical regions of Europe, Asia, Africa, North America and South America. Iran is the largest producer of barberry in the world, among which South Khorasan province, with nearly 97% of the land under cultivation of this product, produces 95% of the world's barberry.