Although there are about 70 different species of coffee trees, from dwarf shrubs to 40 - foot - tall [12 m] trees, only two species, Coffea arabica, or simply Arabica, and Coffea canephora, also known as Robusta, account for about 98 percent of the world’s production.
ये पेड़ ऐसे इलाकों में ही उगते हैं जहाँ न ज़्यादा ठंड पड़ती है ना ही ज़्यादा गर्मी ।