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.
undiscovered, unexplored
(adjective) not yet discovered; “undiscovered islands”
undiscovered
(adjective) not discovered; “with earth-based telescopes many stars remain undiscovered”
Source: WordNet® 3.1
undiscovered (not comparable)
That has not been discovered; unknown.
That has not yet been discovered; unexplored.
undiscovered
simple past tense and past participle of undiscover
Source: Wiktionary
27 January 2025
(adjective) capable of being split or cleft or divided in the direction of the grain; “fissile crystals”; “fissile wood”
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.