Tree-of-Heaven     Information
INVASIVE
Scientific Name:Ailanthus altissima
Common Name Synonyms:Copal Tree


NOTES: Crushed leaves smell like burnt peanut butter. Smooth green bark when young, eventually turning light brown to gray, resembling the skin of a cantaloupe. Native to northeast and central China, as well as Taiwan. Dioecious (male and female flowers on separate plants).

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Tree-of-Heaven
Genus species: Ailanthus altissima
Common Names: Tree-of-Heaven
Copal Tree
Family Name: Simaroubaceae  
Trees with bitter oder; leaves alternate, pinnately compound; flowers unisexual (plants dioecious), regular, in large panicles; fruit a samara.
Seed Type: Angiosperm
Origin:  
Native: native to North America.
Non-native: not native to North America.
Introduced Native: native to North
America, but not Rowe Woods.
* Definitions based on the USDA
terminology
Nonnative
Category:Tree
Flower Color:Yellow
Identified by:A. Swanson
Months in Bloom:  
The highlighted month(s) in this chart indicate when the plant has been observed blooming.
Jan Feb Mar Apr May
Jul Aug Sep Oct Nov Dec