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.
ignimbrite (plural ignimbrites)
(geology) A deposit left by the pyroclastic flow from a volcano, consisting of ash, pumice lapilli, and lithic fragments. [from 20th c.]
Source: Wiktionary
25 February 2025
(adverb) (spatial sense) seeming to have no bounds; “the Nubian desert stretched out before them endlessly”
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.