Berberis is a genus of shrubs commonly known as barberries. These plants are characterized by their thorny branches and small, often yellow flowers that bloom in clusters. The leaves are typically small and can be evergreen or deciduous, depending on the species. Barberries are found in various habitats, including forests, mountains, and gardens. The berries produced by Berberis plants are usually red or purple and are edible, though they can be tart. These fruits are often used in cooking, jams, and traditional medicine. Additionally, some species of barberry are valued for their ornamental qualities in landscaping.