Understand the basic knowledge of several kinds of coffee and coffee beans

1 Coffee trees are evergreen shrubs or trees belonging to the Rubiaceae; wild coffee trees can grow to a height of 5 to 10 meters, but coffee trees planted in the manor are often cut to a height of less than 2 meters in order to increase fruit and facilitate harvesting. The opposite leaf of the coffee tree is long oval, the leaf surface is smooth, the end branch is very long, the branch is few, and the flower is white, opening on the petiole.