Coffee plants produce their fruit in the form of a coffee cherry. Typically, the coffee cherry grows two halves of a bean within a single cherry. Sometimes the coffee cherry produces a single bean rather than two beans this is known as a Peaberry. From a coffee drinkers perspective, Peaberry coffee beans are much smaller in size than typical coffee beans. Since only one bean rather than two are formed, Peaberry coffee beans are said to be more robust in flavor and more acidic (good for taste) than regular Arabica coffee beans. Peaberry coffee by its very nature is rare as only 5% or so of all coffee beans harvested are in the Peaberry form.