FAMILY Rhamnaceae
Buckthorn family
Enception: Eocene
Cultivated over 4000 years
900 species
Tribe Paliurieae
Genus Ziziphus
Genus Ziziphus
Red Date
Genus Rhamnus
Subgenus: Frangula
Genus Rhamnus
CoffeeBerry
genus Ceanothus
Nitrogen fixer