Calflora
Taxon  Report   230    
Allium sanbornii  Alph. Wood  var. congdonii  Jeps.
Congdon's onion
Allium sanbornii var. congdonii
© 2012 Barry Breckling
Photos from
CalPhotos / Calflora
Allium sanbornii var. congdonii
© 2008 Steven Perry
Allium sanbornii var. congdonii
© 2012 Barry Breckling
Allium sanbornii var. congdonii, a monocot, is a perennial herb (bulb) that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 4.3 (limited distribution).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Allium sanbornii var. congdonii
© 2012 Lynn Robertson
Family: ALLIACEAE  
Genus: Allium
Parent: Allium sanbornii
Communities: Chaparral, Foothill Woodland

Toxicity: MINOR

Serpentine affinity: 5.6; (strict endemic)

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + PLANTS: Allium intactum
PLANTS: Allium sanbornii ssp. intactum
More information about  Allium sanbornii var. congdonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (ALSAC)

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: Dec 13, 2018).

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