Go to Midwest Weeds and Wildflowers Home Page
Common Ragweed
Ambrosia artemisiifolia L.
Asteraceae (Sunflower Family)
▲ ▼ seedlings
,
▲▼young plants with varying degrees of lobing on leaves
▲▼young plants with varying degrees of lobing on leaves
▲▼young plants
▲ ▼ immature plants
▲ ▼ immature plants
▲▼ mature plants
▲ inflorescences
▲ close-up of pollen in male flowers
Ambrosia artemisiifolia L., Common Ragweed: (Bayer Code: AMBEL; US Code AMAR2)
· Is a much-branched summer annual weed with finely divided (fernlike leaves) (2-4' tall), shorter in poorer growing conditions
· Small, spike-like inflorescence at tips of branches, abundant wind-borne pollen
· Often a first-year invader weed to newly abandoned fields
· Fast-growing, aggressive competitor in agronomic, vegetable crops
· good source of food and cover for wild birds (quail)
Go to Midwest Weeds and Wildflowers Home Page
Updated 19 January 2019