Taxon Details

Lupinus arboreus var. eximius

San Mateo tree lupine

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Taxon Summary:

Lupinus arboreus var. eximius, commonly known as San Mateo tree lupine, is a perennial evergreen shrub in the Fabaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 90 to 550 meters. Lupinus arboreus var. eximius is ranked 3.2, Plants About Which We Need More Information, A Review List; Moderately threatened in California.

Classification

Scientific Name: Lupinus arboreus Sims var. eximius (Burtt Davy) C.P. Sm
Common Name: San Mateo tree lupine
Family:	Fabaceae
Element Code:	PDFAB2B570
USDA Plants Symbol:
Synonyms/Other Names: Lupinus eximius Burtt Davy
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	3.2
Fed List:	None
State List:	None
Global Rank:	G2Q
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Apr-Jul

Elevation:
90 - 550 meters
295 - 1805 feet

General Habitats:

Chaparral
Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Move to List 1B? Threatened by road maintenance and non-native plants. SON Co. plants need taxonomic confirmation. Identification is very difficult; study needed. See L. arboreus in The Jepson Manual (1993) and TJM 2. USFWS uses the name L. arboreus var. eximius. See Erythea 3:116 (1895) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Mateo (SMT)

Quads: Name (Quad Code)
Half Moon Bay (3712244), Montara Mountain (3712254)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory