What plant does capers come from?
Capparis spinosa, the caper bush, is a perennial plant that bears rounded, fleshy leaves and large white to pinkish-white flowers. The plant is best known for the edible flower buds (capers), often used as a seasoning, and the fruit (caper berries), both of which are usually consumed pickled.
Capers are the immature, unripened, green flower buds of the caper bush (Capparis spinosa or Capparis inermis). The plant is cultivated in Italy, Morocco, and Spain, as well as Asia and Australia. It's most often associated with Mediterranean cuisines, but enjoyed worldwide.