Taxon Report

Allium fimbriatum Wats. var. purdyi (Eastw.) Ownbey & Aase

Purdy's onion

Print Report

Taxon Summary

Allium fimbriatum var. purdyi, commonly known as Purdy's onion, is a perennial bulbiferous herb in the Alliaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 300 to 600 meters. Allium fimbriatum var. purdyi is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Allium fimbriatum Wats. var. purdyi (Eastw.) Ownbey & Aase
Common Name:	Purdy's onion
Family:	Alliaceae
Element Code:	PMLIL020Y7
USDA Plants Symbol:	ALFIP2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial bulbiferous herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	300-600 (985-1970)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Clay, Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4G5T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Napa (NAP), Yolo (YOL)*
Quads: Name (Quad Code)
Gilmore Peak (3912235), Glascock Mtn. (3812283), Jericho Valley (3812274), Knoxville (3812273), Salt Canyon (3912213), Wilbur Springs (3912214)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes




Threats:

Taxonomy:

Selected References

Leaflets of Western Botany 2:110 (1938)

Aliso 13:423 (1992)

Allium fimbriatum var. purdyi profile for potential Species of Conservation Concern evaluation (2018)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 October 2025].