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Ambrosia confertiflora
Ambrosia confertiflora DC.
Weakleaf Bur Ragweed, Weak Leaved Burweed, Slimleaf Bursage
Asteraceae (Aster Family)
Synonym(s): Franseria confertiflora, Franseria strigulosa, Gaertneria tenuifolia
USDA Symbol: AMCO3
USDA Native Status: L48 (N), PR (N)
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Herb
Leaf Arrangement: Alternate
Leaf Margin: Entire
Leaf Base: Cuneate , Truncate
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 , PurpleBloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: Whitish to purplish.
Distribution
USA: AZ , CA , CO , KS , NM , OK , TN , TX , UTWildflower Center Seed Bank
LBJWC-PM-20 Collected 2006-10-27 in Brewster County by Lady Bird Johnson Wildflower CenterWeb Reference
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Ambrosia confertiflora in USDA PlantsFNA: Find Ambrosia confertiflora in the Flora of North America (if available)
Google: Search Google for Ambrosia confertiflora
Metadata
Record Modified: 2022-09-28Research By: DEW