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.
Crow"-silk` (kr"slk`), n. (Bot.)
Definition: A filamentous fresh-water alga (Conferva rivularis of Linnaeus, Rhizoclonium rivulare of Kutzing).
Source: Webster’s Unabridged Dictionary 1913 Edition
28 June 2025
(adjective) having an allergy or peculiar or excessive susceptibility (especially to a specific factor); “allergic children”; “hypersensitive to pollen”
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.