Taxon  Report   240 
Allium unifolium  Kellogg
One leaf onion,  Oneleaf onion
Allium unifolium
© 2016 John Doyen
Click on a photo to see it bigger.
Allium unifolium
© 2007 Penny DeWind
Allium unifolium
© 2007 Neal Kramer
Allium unifolium, a monocot, is a perennial herb (bulb) that is native to California and is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Allium unifolium
© 2011 John W. Wall
Genus: Allium
Closed-cone Pine Forest, Mixed Evergreen Forest, Chaparral
Toxicity: MINOR   [California Poison Control System 2010]    
AFFINITY to serpentine soil:   1 (weak indicator / indifferent)   [Safford et al 2005]
Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Allium unifolium
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (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:   (Accessed: Oct 22, 2016).

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