Calflora
Taxon  Report   202    
Allium howellii  Eastw.  var. sanbenitense  (Traub) McNeal & T. D. Jacobsen
San benito onion
Allium howellii var. sanbenitense, a monocot, is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).   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
(89 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Alliaceae  
Genus: Allium
Parent: Allium howellii

Toxicity: MINOR

Ultramafic affinity: 4 - broad endemic / strong indicator

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
JEF + PLANTSAllium howellii ssp. sanbenitense
PLANTSAllium sanbenitense
More information about  Allium howellii var. sanbenitense

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: 01/20/2022).