More commonly known as Arabica or Robusta coffee beans, these two varieties have unique characteristics in taste, caffeine ...

While there are nearly 120 different varieties of coffee plants, arabica and robusta are the only two that can be harvested for their beans. These two varieties couldn’t be more different ...

A worker turns excelsa coffee beans to dry near Nzara ... Yet it comprises less than 1% of the global market, well behind the arabica and robusta species that are the most consumed coffees ...