Taxon  Report   224    
Allium peninsulare  Lemmon ex Greene  var. franciscanum  McNeal & Ownbey
San francisco bay onion,  San francisco onion
Allium peninsulare var. franciscanum
© 2007 Toni Corelli
Photos from
CalPhotos / Calflora
Allium peninsulare var. franciscanum
© 2017 Michelle Bosch
Allium peninsulare var. franciscanum
© 2017 Michelle Bosch
Allium peninsulare var. franciscanum, a monocot, is a perennial herb (bulb) that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   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 peninsulare var. franciscanum
© 2017 Dee Shea Himes
Genus: Allium
Parent: Allium peninsulare
Toxicity: MINOR

Serpentine affinity: 1.8; (weak indicator)

Name Status:
Accepted by JEF + CNPS + PLANTS

More information about  Allium peninsulare var. franciscanum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 16, 2019).