Conyza canadensis (L.) Cron.

Conyza canadensis plant

Family - Asteraceae

Stems - No info. yet.

Conyza canadensis stem

Leaves - No info. yet.

Inflorescence - No info. yet.

Conyza canadensis inflorescence

Involucre - No info. yet.

Conyza canadensis involucreInvolucres.

Ray flowers - No info. yet.

Conyza canadensis flowers

Disk flowers - No info. yet.

Flowering - June - November.

Habitat - Fields, disturbed sites, waste ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This weedy species can be found throughout Missouri. It spreads rapidly and is one of the most common plants in the state. The more mature plants are apically branched but the plant can flower when quite small and unbranched.
The plant was traditionally used to treat many ailments such as diarrhea, kidney stones, diabetes, and nosebleeds. Many people are allergic to its pollen and can get a reaction just by handling the plant. IT is one of the leading causes of fall allergies. Livestock animals seem to ignore the plant because of its bitter taste.

Photographs taken off Hwy 60, Carter County, MO., 7-19-03.


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