Taxon Report

Ipomopsis effusa (Gray) Moran

Baja California ipomopsis

Print Report

Taxon Summary

Ipomopsis effusa, commonly known as Baja California ipomopsis, is a annual herb in the Polemoniaceae that is found in California and elsewhere. It occurs within Chaparral, and Sonoran desert scrub (alluvial fans), growing at elevations from 0 to 100 meters. Ipomopsis effusa is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Ipomopsis effusa (Gray) Moran
Common Name:	Baja California ipomopsis
Family:	Polemoniaceae
Element Code:	PDPLM060U0
USDA Plants Symbol:	IPEF
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	0-100 (0-330)
General Habitats:	Chaparral, Sonoran desert scrub
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.1
Global Rank:	G3?
State Rank:	SH
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:	changed from 2.1 to 2B.1 on 2013-06-12 changed from 2.2 to 2.1 on 2006-11-28 changed from 2.1 to 2.2 on 2006-11-28

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)	1
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Imperial (IMP)
Quads: Name (Quad Code)
Yuha Basin (3211567)

Threat List Data from the CNDDB


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

Notes



Known in CA only from Pinto Wash, along the Mexican border. Considered a waif. See Madroño 24(3):141-159 (1977) for taxonomic treatment, and Aliso 11(4):589-598 (1987) for first CA record.
Threats:

Taxonomy:

Selected References

CRPR List Deletion on 2006-11-28

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 October 2025].