Taxon Report

Allium punctum L.F. Hend.

dotted onion

Print Report


© 2021 Sarah Tona

Taxon Summary

Allium punctum, commonly known as dotted onion, is a perennial bulbiferous herb in the Alliaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1200 to 1600 meters. Allium punctum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Allium punctum L.F. Hend.
Common Name:
dotted onion
Family: Alliaceae
Element Code: PMLIL021Y0
USDA Plants Symbol: ALPU
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: Apr-May Apr-May
Elevation: 1200-1600 (3935-5250)
General Habitats: Pinyon and juniper woodland
Microhabitat: Rocky
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 2B.2
Global Rank: G3
State Rank:
S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2.2 to 2B.2 on 2013-06-12
  • added to 2.2 on 2009-09-08

Occurrence Data from the CNDDB

Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1
California Endemic:  False
California Counties and Islands: Name (Code)
Modoc (MOD)
Quads: Name (Quad Code)
Copic (4112173)

Selected References

Proposed New Add to List 2.2 (2009)
Rhodora 32:33(1930)
Allium punctum profile for potential Species of Conservation Concern evaluation (2017)
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].