Taxon  Report   230    
Allium sanbornii  Alph. Wood  var. congdonii  Jeps.
Congdon's onion
Allium sanbornii var. congdonii, a monocot, is a perennial herb (bulb) that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).   CNPS Inventory
Observation Search
(33 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Allium
Parent: Allium sanbornii
Toxicity: MINOR

Serpentine affinity: 5.6; (strict endemic)

Communities: Chaparral, Foothill Woodland

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Allium intactum
PLANTS: Allium sanbornii ssp. intactum
More information about  Allium sanbornii var. congdonii
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Mar 28, 2020).