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.
allophane (countable and uncountable, plural allophanes)
(mineral) An amorphous hydrous aluminium silicate clay mineral
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.