Taxon Report

Lupinus croceus Eastw. var. pilosellus (Eastw.) Munz

saffron-flowered lupine

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Taxon Summary

Lupinus croceus var. pilosellus, commonly known as saffron-flowered lupine, is a perennial herb in the Fabaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 835 to 1700 meters. Lupinus croceus var. pilosellus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Lupinus croceus Eastw. var. pilosellus (Eastw.) Munz
Common Name:	saffron-flowered lupine
Family:	Fabaceae
Element Code:	PDFAB2B162
USDA Plants Symbol:	LUCRP
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (May)Jun-Aug	(May)Jun-Aug
Elevation:	835-1700 (2740-5580)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Trinity (TRI)
Quads: Name (Quad Code)
Tangle Blue Lake (4112226), Trinity Center (4012286), Whisky Bill Peak (4112215)

Threat List Data from the CNDDB


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

Notes




Threats:

Taxonomy:
See L. croceus in TJM (1993) and TJM 2.

Selected References

Lupinus croceus var. pilosellus profile for potential Species of Conservation Concern evaluation (2018)

USFS Potential Species of Conservation Concern Profile

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 January 2025].