Ambrosia psilostachya DC.
Family: Asteraceae
perennial ragweed,  more...
[Ambrosia californica Rydb.,  more]
Ambrosia psilostachya image
Kenneth J. Sytsma  
Etymology: Ambrosia: Greek for "food of the gods"
Plants: erect, perennial, 12"-40" tall forb with upper branches; creeping, fibrous roots
Leaves: usually once pinnately-divided, lower leaves opposite, upper leaves alternate
Flowers: inflorescence of many, small, green, bead-like heads on 6" spikes; blooms Aug.-Sept.
Fruits: seeds not on fluffy pappus
Habitat: dry; prairies, disturbed sites; in sandy soil
Conservation Status: Native
Ambrosia psilostachya image
Emmet J. Judziewicz  
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Emmet J. Judziewicz  
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Emmet J. Judziewicz  
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Botancial Illustration  
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Aaron_Carlson  
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Aaron_Carlson  
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