Great ragweed, Giant ragweed (Ambrosia trifida L.)

Photographic Location: Sycamore Ridge Ranch in Middle Tennessee.

This wildflower is a member of the Aster family (Asteraceae).

This is the giant among the ragweeds, reaching towering heights and possessing long flower spikes. The pollen of ragweeds is spread by wind rather than by insects. Can be invasive, especially in disturbed areas such as a stream bank. Pollen from Great Ragweed contains many antigens that cause hay fever.

Photographic Location: Sycamore Ridge Ranch in Middle Tennessee.

For more information about this wildflower, Click Here

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