ragweed, common

COMMON NAME: Ragweed, common
SCIENTIFIC NAME: Ambrosia artemisifolia
FAMILY: Asteraceae
LIFECYCLE: Annual
FEATURES: Three to six foot tall annual herb. Divided simple leaves. Inflorescence at apex.
DESCRIPTION: Problematic weed with respect to sinus allergies. Weed of crops and waste areas.
Flowers late summer- August to October. All plants will flower at this time, regardless
of size- from 2 to 3 leaf plants to plants 6 feet tall.

Broad View Large developed plant

Broad View
Large developed plant

Leaf Leaf close up

Leaf
Leaf close up

Additional Inflorescence.

Additional
Inflorescence.