Taxon Report

Gilia mexicana A. & V. Grant

El Paso gilia

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Taxon Summary

Gilia mexicana, commonly known as El Paso gilia, is a annual herb in the Polemoniaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1475 to 1475 meters. Gilia mexicana is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Gilia mexicana A. & V. Grant
Common Name:	El Paso gilia
Family:	Polemoniaceae
Element Code:	PDPLM04110
USDA Plants Symbol:	GIME
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May	May
Elevation:	1475-1475 (4840-4840)
General Habitats:	Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G4
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12 added to 2.3 on 2011-04-08

Occurrence Data from the CNDDB


Total Occurrences:	2
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	2

Location


California Endemic: False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Whale Peak (3311613)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	1	50 %
Non-native plant impacts	1	50%
ORV activity	1	50%

Notes



Discovered in CA in 2009; known in CA from only one occurrence on Whale Peak in Anza-Borrego Desert SP. Not in The Jepson Manual (1993). See Aliso 3:255 (1956) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2011-04-08

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 December 2025].