A cup of coffee when you are tired from work is a good refreshment. But do you know its raw material plant, small fruit coffee? As one of the three major beverage plants in the world, coffee is the most common coffee, Latin scientific name: Coffee arabica, Rubiaceae coffee is a large shrub or small tree, up to 5-8 meters high, with thin leathery leaves, 6- 14cm, 3.5-5cm wide, leaves entire, shallowly wavy. Cymes clustered in leaf axils, white corolla, flowering from March to April. The berries are red when ripe, oval, 12-16mm long and 10-12mm in diameter. Usually there are two seeds inside, the so-called "coffee beans".