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.
rotula (plural rotulas or rotulae)
(skeleton) The patella; the kneecap.
(zoology) One of the five radial pieces in the dentary apparatus of the sea urchin.
• Alutor, LAUTRO, Latour, torula
Source: Wiktionary
Rot"u*la, n. Etym: [L., a little wheel; cf. It. rotula.] (Anat.)
Definition: The patella, or kneepan.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 June 2025
(adjective) having deserted a cause or principle; “some provinces had proved recreant”; “renegade supporters of the usurper”
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.