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.
From the genus name.
hypnum (plural hypnums)
Any member of the genus Hypnum of mosses.
Source: Wiktionary
Hyp"num, n. Etym: [NL., fr. Gr. (Bot.)
Definition: The largest genus of true mosses; feather moss.
Source: Webster’s Unabridged Dictionary 1913 Edition
30 May 2025
(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
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.