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.
residuous (not comparable)
(archaic) Remaining; residual.
Source: Wiktionary
Re*sid"u*ous (r-zd"-s), a. Etym: [L. residuus.]
Definition: Remaining; residual. Landor.
Source: Webster’s Unabridged Dictionary 1913 Edition
11 May 2025
(noun) a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
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.