Taxon Report

Lupinus citrinus Kell. var. deflexus (Congd.) Jeps.

Mariposa lupine

Print Report

Taxon Summary

Lupinus citrinus var. deflexus, commonly known as Mariposa lupine, is a annual herb in the Fabaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 400 to 610 meters. Lupinus citrinus var. deflexus is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lupinus citrinus Kell. var. deflexus (Congd.) Jeps.
Common Name:	Mariposa lupine
Family:	Fabaceae
Element Code:	PDFAB2B102
USDA Plants Symbol:	LUCID
Synonyms/Other Names:	Lupinus deflexus Congd.

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	400-610 (1310-2000)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Granitic, Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2T1T2
State Rank:	S1
State List:	CT
Fed List:	None
Other Status:	BLM_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	7
Element Occurrence Ranks:
Excellent (A)	5
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Mariposa (MPA)
Quads: Name (Quad Code)
Mariposa (3711948)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	4	57 %
Grazing	3	42%
ORV activity	1	14%
Development	1	14%

Notes



Known from fewer than ten occurrences near Mariposa Creek. Threatened by development, vehicles, and grazing. See Muhlenbergia 1:38 (1904) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].