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.
Umayyad, Ommiad, Omayyad
(noun) the first dynasty of Arab caliphs whose capital was Damascus
Source: WordNet® 3.1
27 May 2025
(noun) the property of being directional or maintaining a direction; “the directionality of written English is from left to right”
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.