The coffee plant originates from Ethiopia. It was used as a food, and in 575 A.D. it was first cultivated by the Arabs who used it to prepare a drink. According to the first references, coffee was classified in the euonymus family then in the family of the jasmines. Later coffee was classified by Linnaeus and later by De Jussie, as a member of the rubiaceae family, genus coffea.
Learn more on Delta