Taxon  Report   7153 
Ricinus communis  L.
Castor bean,  Castorbean

Ricinus communis
© 2004 Joseph Dougherty/
Ricinus communis, a dicot, is a shrub that is not native to California; it was introduced from elsewhere and naturalized in the wild.
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
Ricinus communis
© 2005 Louis-M. Landry
Genus: Ricinus
weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Toxicity: MAJOR   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Ricinus communis

Name Status:
Accepted by TJM2 + PLANTS + JM93
 More information about  Ricinus communis

Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 30, 2015).

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

News About Calflora Home
Calflora  -  1700 Shattuck Avenue   #198,   Berkeley, CA   94709  -  510 883-3148  -  CONTACT