Taxon  Report   240    
Allium unifolium  Kellogg
One leaf onion,  Oneleaf onion
Allium unifolium
© 2018 Alice Cummings
Photos from
CalPhotos / Calflora
Allium unifolium
© 2013 Arcangelo Wessells
Allium unifolium
© 2016 John Doyen
Allium unifolium, a monocot, is a perennial herb (bulb) that is native to California, is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Allium unifolium
© 2018 Glen Schneider
Genus: Allium
Communities: Closed-cone Pine Forest, Mixed Evergreen Forest, Chaparral

Toxicity: MINOR

Serpentine affinity: 1; (weak indicator / indifferent)

Name Status:
Accepted by JEF + PLANTS

More information about  Allium unifolium
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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).