Native Plants
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Ambrosia chamissonis
Ambrosia chamissonis (Less.) Greene
Silver Bur Ragweed
Asteraceae (Aster Family)
Synonym(s): Ambrosia chamissonis var. bipinnatisecta, Franseria chamissonis, Franseria chamissonis ssp. bipinnatisecta, Franseria chamissonis var. bipinnatisecta
USDA Symbol: AMCH4
USDA Native Status: L48 (N), AK (N), CAN (N)
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Plant Characteristics
Duration: PerennialHabit: Herb , Subshrub , Shrub
Size Notes: Usually up to about 5 feet tall. May grow to 10 feet tall under the right conditions.
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 , GreenBloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Flowers are inconspicuous and without ray florets.
Distribution
USA: AK , CA , OR , WACanada: BC
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 chamissonis in USDA PlantsFNA: Find Ambrosia chamissonis in the Flora of North America (if available)
Google: Search Google for Ambrosia chamissonis
Metadata
Record Modified: 2018-12-11Research By: CBR