There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
heterogenic (not comparable)
(genetics) of, or relating to the genes of different species
Source: Wiktionary
6 March 2025
(noun) the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.