Taxon Report

Lupinus spectabilis Hoov.

shaggyhair lupine

Print Report

Taxon Summary

Lupinus spectabilis, commonly known as shaggyhair 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 260 to 825 meters. Lupinus spectabilis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lupinus spectabilis Hoov.
Common Name:	shaggyhair lupine
Family:	Fabaceae
Element Code:	PDFAB2B3P0
USDA Plants Symbol:	LUSP3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	260-825 (855-2705)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	24
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	9
Fair (C)	5
Poor (D)	0
None (X)	1
Unknown (U)	7

Location


California Endemic: True
California Counties and Islands: Name (Code)
Mariposa (MPA), Tuolumne (TUO)
Quads: Name (Quad Code)
Bear Valley (3712051), Catheys Valley (3712041), Chinese Camp (3712074), Coulterville (3712062), Feliciana Mtn. (3711958), Groveland (3712072), Hornitos (3712052), Mariposa (3711948), Moccasin (3712073), New Melones Dam (3712085), Sonora (3712084)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	14	58 %
Mining	10	41%
Grazing	6	25%
Road/trail construction/maint.	4	16%
Biocides	2	8%
Development	1	4%

Notes



Threatened by mining, grazing, and road construction. See Leaflets of Western Botany 2(8):131 (1938) 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 27 October 2025].