Coffee is made from the roasted seeds of the coffee plant which grows in Africa, Asia, Brazil and many other places around the world. The leaves, fruit and other parts of the plant contain caffeine but only the ripe berries are usually harvested. There are two main species grown: arabica (Coffea arabica) which is indigenous to Ethiopia and is the dominant commercial crop around the world; and robusta (Coffea canephora) which is grown mostly in Vietnam and Brazil. (more…)