Calflora
Taxon  Report   204    
Allium jepsonii  (Ownbey & Aase ex Traub) S.S. Denison & McNeal
Jepson's onion
Allium jepsonii
© 2009 George W. Hartwell
Photos from
CalPhotos / Calflora
Allium jepsonii
© 2009 George W. Hartwell
Allium jepsonii
© 2004 Dean Wm. Taylor
Allium jepsonii, a monocot, is a perennial herb (bulb) that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Allium jepsonii
© 2009 George W. Hartwell
Family: ALLIACEAE  
Genus: Allium
Communities: Foothill Woodland, Yellow Pine Forest

Toxicity: MINOR

Serpentine affinity: 5.4; (broad endemic)

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Allium sanbornii var. jepsonii
More information about  Allium jepsonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (ALJE)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 15, 2018).

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