Ambrosia deltoidea     
Triangle-leaf bursage   
Asteraceae Family     

Compiled by the Master Gardeners
of the University of Arizona Pima County Cooperative Extension.


Form: small rounded shrub
Seasonality: evergreen
Size: 1-3ft tall, spread to 3ft; moderate to rapid growth
Leaves: triangular; underside hairy; new growth is greenish, aging to a gray silver color
Flowers: not ornamental, off-green spike on branch terminals
Fruit: small burr
Stems/Trunks: brittle stems
Range/Origin: southern Arizona, Baja California, Sonora Mexico; naturalized in western Tucson and vicinity
Hardiness: below 32°F

Triangle-leaf bursage bush
Ambrosia detoidea



sometimes listed as a perennial shrub with a medium to short life span

pollen is allergenic

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This page was first created September 22, 2001 and last modified May 15, 2004.

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