圓豆是咖啡的自然變異，僅包含一個咖啡種子（豆），而不是常見的兩個。 許多人將此咖啡稱為“公”豆。 圓豆僅佔咖啡作物的5％或更少，因此非常罕見。
“圓豆”因其獨特的圓形豌豆形狀而得名。 它具有獨特的味道，更加濃厚。

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A peaberry is a natural mutation of a regular coffee cherry, containing only one coffee seed (bean) instead of the usual two. Many people refer this coffee as “male” coffee.  Peaberries only make up about 5% or less of a coffee crop, so they are rare.
The “peaberry” gets its name because of its uniquely round, pea shape. It has a distinctive taste, stronger and thicker.