A plant native to Ethiopia (where coffee is called buna), South Eastern Sudan, Northern Kenya and later spread to Yemen. It was here that the first historical traces of consumption of the beverage were found, specifically in 1450 at the hands of members of Sufism. The seeds of Coffea arabica have a much lower caffeine concentration than those of the other widely used breeds. Compared to these it is also self-pollinating, i.e. autogamous, and also prefers cultivation at high altitudes, between 1000 and 2000 metres. The cultivation of Coffea arabica outside its territories of origin started very early. In Indonesia, for example, it occurred in 1699.