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Ambrosia artemisiifolia var. elatior

Ambrosia artemisiifolia L. var. elatior (L.) Descourtils

Annual Ragweed, Common Ragweed

Asteraceae (Aster Family)

Synonym(s): Ambrosia elatior

USDA Symbol: AMARE

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

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Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 5 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Green
Bloom Time: Jul , Aug , Sep , Oct
Bloom Notes: Flowers are inconspicuous and without ray florets.

Distribution

Canada: AB , BC , MB , NB , NS , NT , ON , PE , QC , SK

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2018-12-11
Research By: CBR

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