Allium sanbornii var. congdonii Calflora

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Taxon Report

Allium sanbornii Alph. Wood var. congdonii Jeps.

Congdon's onion

2023 Mike Russler

Allium sanbornii var. congdonii is a perennial herb (bulb) that is native to California, and endemic (limited) to California.

California Rare Plant Rank: 4.3 (limited distribution).


	Plant Range Observation Search ~43 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


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

Ultramafic affinity: 5.6 - strict endemic

Communities: Foothill Woodland, Chaparral

Name Status:
Accepted by JEF + JEF + CNPS + PLANTS + POWO

Alternate Names:


JEF + PLANTS	Allium intactum
PLANTS	Allium sanbornii ssp. intactum

Information about Allium sanbornii var. congdonii from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (ALSAC) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 4.3 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 05/23/2025).