Ambrosia artemisifolia L. - Common Ragweed

Ambrosia artemisifolia plant

Family - Asteraceae

Stems - No info. yet.

Leaves - No info. yet.

Ambrosia artemisifolia leaf

Inflorescence - No info. yet.

Flowers - No info. yet.

Ambrosia artemisifolia flowers

Flowering - July - November.

Habitat - Fallow and waste fields, disturbed sites, pastures, glades, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species, commonly called "Ragweed", is a tough plant for allergy sufferers. The plant is a major source of Hay Fever for many people that live within range of its pollen. Cattle and livestock are said to be sickened by eating the plant and it is often ignored in pastures.
A. artemisifolia was used by natives as a rub for insect bites and other skin ailments. A tea prepared from the roots and leaves was used to treat menstrual pains and other internal ailments.
This species is found throughout Missouri.

Photographs taken in Winter Haven, FL., 6-28-02.