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Rhamnus crocea subsp. pirifolia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Rhamnaceae
Genus:	Rhamnus
Species:	R. crocea
Subspecies:	R. c. subsp. pirifolia
Trinomial name
	Rhamnus crocea subsp. pirifolia ; (Greene) C.B.Wolf
Synonyms
	Endotropis crocea subsp. pirifolia (Greene) Hauenschild ; Rhamnus catalinae Davidson ; Rhamnus crocea var. pirifolia (Greene) Little ; Rhamnus pirifolia Greene ; Ventia crocea subsp. pirifolia (Greene) Hauenschild ;

Rhamnus crocea subsp. pirifolia, synonym Rhamnus pirifolia, is a subspecies of tree and shrub in the buckthorn family known by the common name island redberry.^[2] It is an island endemic which is known only from the Channel Islands of California and Guadalupe Island off Baja California. Its habitat consists of coastal sage scrub and chaparral.

Description

Rhamnus crocea subsp. pirifolia is a spreading shrublike tree which approaches 10 meters-30 feet in maximum height. It has gray bark on its branches and the young twigs are purple in color. The thick evergreen leaves are oval in shape with pointed or nearly rounded tips, measuring 2 to 4 centimeters long. The edges are smooth or toothed and curve under, making the leaves concave. The inflorescence is a solitary flower or umbel of up to six flowers. The flower has four pointed sepals and no petals. The fruit is a drupe which ripens to bright red. It is just under a centimeter wide and contains two seeds.