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.
Sitwell, Dame Edith Sitwell, Dame Edith Louisa Sitwell
(noun) English poet (1887-1964)
Source: WordNet® 3.1
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
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.