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Allium dichlamydeum  Greene
Coast onion,   Coastal onion
© 2017 Mary Sue Ittner
© 2020 Sara Timby
© 2020 Mary Sue Ittner
© 2021 Hunter Breck
© 2019 Amy Rapport
© 2015 James Gonsman
© 2018 Abbot Chambers
© 2019 Amy Rapport
© 2019 Heather Morrison
© 2023 David Strauch
© 2018 Abbot Chambers
© 2018 James Gonsman
© 2023 John Rawlings
© 2023 John Rawlings
© 2023 John Rawlings
© 2021 Hunter Breck
© 2019 Heather Morrison
© 2019 Alexandra Kookootsedes
Allium dichlamydeum is a perennial herb (bulb) 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
DJJJASONAFMM

Bloom Period
Genus: Allium
Family: Alliaceae  
(Liliaceae)
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Communities: Northern Coastal Scrub, Mixed Evergreen Forest
Name Status:
Accepted by JEF + PLANTS + POWO

Information about  Allium dichlamydeum from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (ALDI2)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Range: Allium dichlamydeum is a species of wild onion known by the common name coastal onion. It is endemic to California where it grows on sea cliffs and hills overlooking the ocean, from Santa Barbara County to Mendocino 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: 12/25/2024).