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Taxon  Report  
Lupinus arboreus  Sims  var. eximius  (Burtt Davy) C. P. Sm.
San mateo tree lupine
Lupinus arboreus var. eximius is a shrub that is native to California, and endemic (limited) to California.
also called Lupinus eximius
California Rare Plant Rank: 3.2 (review list).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~49 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Lupinus arboreus
Genus: Lupinus
Family: Fabaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Communities: Northern Coastal Scrub, Chaparral

Name Status:
Accepted by CNPS
Alternate Names:
CNPSLupinus eximius
PLANTSLupinus eximius
Information about  Lupinus arboreus var. eximius from other sources
Nursery availability from CNPLX
Commercial availability unknown.
USDA PLANTS Profile (LUEX2)

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Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/12/2025).