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Taxon  Report  
Allium howellii  Eastw.  var. clokeyi  Ownbey & Aase ex Traub
Clokey's onion,   Mt. pinos onion
Allium howellii var. clokeyi 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).
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
~84 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
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Bloom Period
Parent: Allium howellii
Genus: Allium
Family: Alliaceae  
(Liliaceae)
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Communities: Sagebrush Scrub
Name Status:
Accepted by JEF + CNPS + PLANTS

Information about  Allium howellii var. clokeyi from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (ALHOC)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Genus Info, Description, Species Ranges: Allium howellii is a North American species of wild onion known by the common name Howell's onion. It is endemic to California. Description Allium howellii is a tall onion plant, producing a stem which may exceed half a meter in height from a reddish-brown bulb one to two centimeters long. There is a single cylindrical leaf about as long as the stem. The inflorescence holds up to 100 dark-veined lavender to white flowers, each under a centimeter long.[2][3][4] Varieties Several varieties have been named: Allium howellii var. clokeyi Ownbey & Aase ex Traub - San Bernardino, Los Angeles, Ventura, Santa Barbara counties Allium howellii var. howellii - Merced, Fresno, Kern, San Luis Obispo counties Allium howellii var. sanbenitense (Traub) Ownbey & Aase - San Benito County Distribution and habitat Howell's onion grows in the granite and serpentine soils of several mountain ranges, hills, and valleys from San Joaquin County to San Bernardino County. (link added 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: 07/16/2024).