Taxon  Report   7156 
Robinia pseudoacacia  L.
Black locust
Robinia pseudoacacia
© 2000 Joe DiTomaso
Click on a photo to see it bigger.
Robinia pseudoacacia
© 1998 John Randall, Ph.D.
Robinia pseudoacacia
© 2008 Jason E. Willand
Robinia pseudoacacia, a dicot, is a tree that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as limited (plant profile / CalWeedMapper).

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Plant Characteristics
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Bloom Period
Robinia pseudoacacia
© 2008 Keir Morse
Family: FABACEAE  
Genus: Robinia
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Toxicity: MAJOR (SEEDS)   [California Poison Control System 2010]    
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Robinia pseudoacacia var. pyramidalis
PLANTS: Robinia pseudoacacia var. rectissima
XWALK: Robinia pseudo-acacia
More information about  Robinia pseudoacacia
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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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 24, 2016).

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