logo Calflora, a 501c3 non-profit
Taxon  Report  
Quercus wislizeni  A.DC.  var. wislizeni 
Interior live oak
Quercus wislizeni var. wislizeni is a tree or shrub that is native to California, and endemic (limited) to California.
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

Bloom Period
Parent: Quercus wislizeni
Genus: Quercus
Family: Fagaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat the fruit or leaf of this plant.
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPNQuercus wislizeni f. extima
CalfloraQuercus wislizenii var. wislizenii
Information about  Quercus wislizeni var. wislizeni from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora


Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[theodorepayne.org] Distribution, Habitat, Description: Distribution: North Coast Ranges, Foothills of the Cascade Ranges and Sierra Nevada, Tehachapi, South Coast Range, Southwest Natural Habitat: Interior canyons, slopes, valleys, pine/oak woodland, chaparral, floodplains. Interior live oak is a variable species. It is often shrubby, but occasionally reaches the size of a large tree with a stately form and dense, rounded canopy. Excellent bird habitat. Tough evergreen leaves discourage browsing deer. (contributed by Mary Ann Machi)

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/30/2024).