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NPIN: Native Plant Database

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Ambrosia artemisiifolia var. artemisiifolia

Ambrosia artemisiifolia L. var. artemisiifolia

Annual ragweed

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: AMARA2

USDA Native Status: L48 (N), CAN (N)

This plant is a cause of hay fever, recognized by all who suffer the discomfiting allergy. (Niering)

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate , Opposite
Leaf Complexity: Simple
Leaf Shape: Elliptic , Lanceolate , Ovate
Leaf Pubescence: Glandular
Leaf Base: Cuneate
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Yellow , Green , Brown

Distribution

USA: CT , DC , GA , IL , MA , MD , ME , MN , MO , MS , NH , NY , PA , TN , VA , VT
Canada: NB , NL , NS , ON , PE , QC
Native Habitat: Forest Edge,Prairie/Meadow/Field

Benefit

Conspicuous Flowers: yes

Additional resources

USDA: Find Ambrosia artemisiifolia var. artemisiifolia in USDA Plants
FNA: Find Ambrosia artemisiifolia var. artemisiifolia in the Flora of North America (if available)
Google: Search Google for Ambrosia artemisiifolia var. artemisiifolia

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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