Taxon  Report   235 
Allium siskiyouense  Ownbey
Siskiyou onion
Allium siskiyouense
© 2007 Norman Jensen
CalPhotos: click on a
photo to see it bigger
Allium siskiyouense
© 2001 John Game
Allium siskiyouense, a monocot, is a perennial herb (bulb) that is native to California and Oregon.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 4.3 (limited distribution).   7th Edition  /  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 siskiyouense
© 2003 Dianne Fristrom
Family: ALLIACEAE   (PLANTS: LILIACEAE)
Genus: Allium
Communities:
Red Fir Forest, Yellow Pine Forest
Toxicity: MINOR   [California Poison Control System 2010]    
AFFINITY to serpentine soil:   2.8 (strong indicator)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Allium siskiyouense

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Allium falcifolium var. demissum
More information about  Allium siskiyouense
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

USDA PLANTS Profile (ALSI2)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Aug 30, 2016).

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