Taxon  Report   161 
Ailanthus altissima  (Miller) Swingle
Ailanthus,  Tree of heaven
Ailanthus altissima
© 2005 George W. Hartwell
CalPhotos: click on a
photo to see it bigger
Ailanthus altissima
© 2012 Julie Kierstead Nelson
Ailanthus altissima
© 2009 Neal Kramer
Ailanthus altissima, a dicot, is a tree 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 moderate   (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
Ailanthus altissima
© 2014 Dr. Amadej Trnkoczy
Family: SIMAROUBACEAE  
Genus: Ailanthus
Communities:
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: MINOR, DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Ailanthus altissima

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

PLANTS: Ailanthus glandulosa
PLANTS: Toxicodendron altissimum
More information about  Ailanthus altissima
Photos on CalPhotos / Google Images

Photos and ID tips from PlantID.net

Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (AIAL)

Original Publication citation (ITIS)

Search the International Plants Names Index

Search efloras.org (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: http://www.calflora.org/   (Accessed: Feb 13, 2016).

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