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.
Rattus, genus Rattus
(noun) common house rats; upper incisors have a beveled edge
Source: WordNet® 3.1
28 April 2024
(adjective) of or relating to an inheritable character that is controlled by several genes at once; of or related to or determined by polygenes
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.