The caper bush (Capparis spinosa) is a perennial plant that bears edible flower buds and fruits.

The pickled caper bud (also called caper) is often used as a seasoning or garnish.

Slightly larger than a grape, with faint white stripes on their pale olive skin, caper berries are used and consumed as pickled

The capers and the caper berries are a common ingredient in Mediterranean cuisine.