Taxon  Report   5106 
Lupinus arboreus  Sims
Coastal bush lupine,  Yellow bush lupine
Lupinus arboreus
© 2009 Dr. Mark S. Brunell
Click on a photo to see it bigger.
Lupinus arboreus
© 2006 Steve Matson
Lupinus arboreus
© 2015 Barry Breckling
Lupinus arboreus, a dicot, is a shrub that is native to California and is also found outside of California, but is confined to western North America.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as limited (plant profile / CalWeedMapper).

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Lupinus arboreus
© 2007 Neal Kramer
Family: FABACEAE  
Genus: Lupinus
Subspecies and Varieties:
Coastal Strand, Northern Coastal Scrub, Coastal Sage Scrub, Closed-cone Pine Forest, Chaparral
Habitat: coastal [Walker]
Toxicity: MAJOR   [California Poison Control System 2010]    
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

XWALK: Lupinus propinquus
More information about  Lupinus arboreus
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 21, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.