Taxon Report

Lupinus guadalupensis Greene

Guadalupe Island lupine

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Taxon Summary

Lupinus guadalupensis, commonly known as Guadalupe Island lupine, is a annual herb in the Fabaceae that is found in California and elsewhere. It occurs within Coastal scrub, growing at elevations from 10 to 465 meters. Lupinus guadalupensis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Lupinus guadalupensis Greene
Common Name:	Guadalupe Island lupine
Family:	Fabaceae
Element Code:	PDFAB2B1T0
USDA Plants Symbol:	LUGU
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Feb-Apr	Feb-Apr
Elevation:	10-465 (35-1525)
General Habitats:	Coastal scrub
Microhabitat:	Disturbed areas (sometimes), Gravelly, Rocky, Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; SB_UCBG
CRPR Changes:	changed from 1B.2 to 4.2 on 2014-01-17

Occurrence Data from the CNDDB


Total Occurrences:	56
Element Occurrence Ranks:
Excellent (A)	29
Good (B)	7
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	19

Location


California Endemic: False
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)

Threat List Data from the CNDDB


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

Notes



Some occurrences threatened by Navy activities. Feral herbivores removed from SCM Isl., and vegetation recovering. See Bulletin of the California Academy of Sciences 1:184 (1885) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Change on 2014-01-17

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 November 2025].