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.
interspecies, interspecific
(adjective) arising or occurring between species; “an interspecific hybrid”
Source: WordNet® 3.1
interspecific (not comparable)
occurring among members of different species; interspecies
(biology) Existing or occurring between different species
• intraspecific
• prescientific
Source: Wiktionary
9 June 2025
(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
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.