Calflora
Taxon  Report   7078    
Rhamnus pirifolia  Greene
Island redberry
Rhamnus pirifolia, a dicot, is a tree or shrub that is native to California, is also found outside of California, but is confined to western North America.
California Rare Plant Rank: 4.2 (limited distribution).   CNPS Inventory
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(242 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: RHAMNACEAE  
Genus: Rhamnus

Toxicity: MINOR, DERMATITIS
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF: Rhamnus catalinae
JEF + PLANTS: Rhamnus crocea ssp. pirifolia
JEF: Rhamnus crocea var. insularis
. . .
More information about  Rhamnus pirifolia
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (RHPI)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Aug 12, 2020).