San Diego bursage Asteraceae Ambrosia chenopodiifolia (Benth.) Payne Listen to the Latin symbol: AMCH5 Other Fact Sheets
Leaf: Alternate, simple, evergreen, ovate, 1 to 1 1/2 inches, coarse serrate or toothed, nearly lobed, green above and covered in white pubescence, pale below, drought deciduous.
Flower: Dull yellow-green, in small clusters borne on a spike, March to June.
Fruit: A spiny round bur with slender hooked spines, 1/2 inch in diameter.
Twig: Green to reddish brown with white pubescence, brittle, narrow leaf scars, resinous or sticky.
Bark: Reddish brown and becoming smooth and shiny, later becoming somewhat scaly or shallowly ridged and furrowed.
Form: A gangling, sprawling shrub to 2 feet tall.

Looks like: triangleleaf bursage
leaf fruit twig bark form1 map
Additional Range Information:
Ambrosia chenopodiifolia is native to North America.
Range may be expanded by planting.
See states reporting San Diego bursage.
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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