Calflora
Taxon  Report   558    
Arctostaphylos hispidula  Howell
Howell's manzanita
Arctostaphylos hispidula, a dicot, is a shrub that is native to California, and also found in Oregon.
also called Arctostaphylos stanfordiana ssp. hispidula
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
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
(158 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Ericaceae  
Genus: Arctostaphylos

Ultramafic affinity: 4.5 - broad endemic

Communities: Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
PLANTSArctostaphylos hispidula var. viscosissima
PLANTSArctostaphylos pungens ssp. hispidula
JEF + CNPS + PLANTSArctostaphylos stanfordiana ssp. hispidula
JEFArctostaphylos viscosissima
More information about  Arctostaphylos hispidula

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/25/2022).