Each caper bud produces a fruit called a ‘caperberry.’ The ‘berry’ is on a long stem, and grows form the opened caper bud, as it transforms into a flower. Caperberries are sued in a wide variety of dishes. A great martini garnish, too!4Each caper bud produces a fruit called a ‘caperberry.’ The ‘berry’ is on a long stem, and grows form the opened caper bud, as it transforms into a flower. Caperberries are sued in a wide variety of dishes. A great martini garnish, too!