The knowledge about round beans is also called male beans.

Round bean / common bean, known as Peaberry or caracoli in English, is a variety of coffee beans. In fact, the male bean is a flaw, officially speaking, it is not a normal development of coffee beans.

The causes are usually caused by insect damage, lack of rain in case of prolonged drought, or malnutrition of coffee trees.

In general, the fruit of a coffee tree contains two coffee beans, each in a flat hemispherical shape. however, affected by the above factors, some of the fruit will change shape at maturity, only a single bean, this oval single bean is called Peaberry.

At present, among the Peaberry on the market, the more famous one is Kona. This is an Arabian bean (Arabica) grown in Hawaii, with an average of only 5 Peaberry per 100. it is very precious. Some coffee fans think that the strong aroma of Peaberry is better, and because it is rare, each one has been manually selected, and the price is becoming more and more expensive under the hype. However, coffee gardens in some coffee producing areas will throw away these defective beans. As a matter of fact, it has not been decided whether public beans taste better or not. The taste is always very personal, and different Peaberry varieties have different tastes.