Frangula californica (previously classified as Rhamnus californica) is a species of flowering plant in the buckthorn family native to western North America. It produces edible fruits and seeds. It is commonly known as California coffeeberry and California buckthorn.
More info for the term: shrub
California buckthorn
California coffeeberry
California false buckthorn
hoary coffeeberry
TAXONOMY:
The scientific name of California buckthorn is Frangula californica (Eschsch.) Gray (Rhamnaceae).
There are 6 subspecies [37,79,81]:
Frangula californica subsp. californica
Frangula californica subsp. crassifolia (Jep.) Kartesz & Gandhi
Frangula californica subsp. cuspidata (Greene) Kartesz & Gandhi
Frangula californica subsp. occidentalis (J. Howell) Kartesz & Gandhi
Frangula californica subsp. tomentella (Benth.) Kartesz & Gandhi, hoary coffeeberry
Frangula californica subsp. ursina (Greene) Kartesz & Gandhi
SYNONYMS:
Rhamnus californica Esch.
Rhamnus californica subsp. californica
Rhamnus californica subsp. occidentalis (J. Howell) C. Wolf
Rhamnus tomentella Benth.
Rhamnus tomentella Benth. subsp. crassifolia (Jeps.) J.S. Sawyer
Rhamnus tomentella Benth. subsp. cuspidata (Greene) J.S. Sawyer
Rhamnus tomentella Benth. subsp. ursina (Greene) J.S. Sawyer [76]
LIFE FORM:
Shrub
FEDERAL LEGAL STATUS:
No special status
OTHER STATUS:
NO-ENTRY
DISTRIBUTION AND OCCURRENCE
SPECIES: Frangula californica
GENERAL DISTRIBUTION:
California buckthorn ranges from extreme southwestern Oregon southward
along the coast and Coast Ranges to southwestern California 976]. It is
cultivated in Hawaii [80].