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weakleaf burr ragweed
Scientific Name: Ambrosia confertiflora
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Ambrosia confertiflora: Weakleaf Bur Ragweed
Ambrosia confertiflora is a species of ragweed recognized by several common names, most notably Weakleaf Bur Ragweed. This plant has potential implications for allergy sufferers.
Considerations for Pets
- The plant produces burrs.
Considerations for Children
- The plant produces burrs.
Taxonomy and Nomenclature
- Scientific Name: Ambrosia confertiflora DC.
- Family: Asteraceae (Aster Family)
- Synonyms:
- Franseria confertiflora
- Franseria strigulosa
- Gaertneria tenuifolia
- Dc Rydb Franseria tenuifolia Harv & Gray
- Rank: Species
Common Names
- Weakleaf Bur Ragweed
- Weakleaf Burr-Ragweed
- Weak Leaved Burweed
- Slimleaf Bursage
- Slender Ragweed
- Bur Ragweed
- Canyon Ragweed
- Chicura
Distribution and Habitat
- Native to North America, specifically much of northern Mexico and the southwestern United States.
- Observed in locations such as Orange County, California; Nevada; New Mexico; and Arizona.
Morphological Characteristics
- Duration: Perennial.
- Habit: Forb/herb (a non-woody plant that is not a grass).
Ecological Role
- Implicated as a cause of hayfever during late summer and fall, particularly in Arizona.
Interactions with Other Organisms
- Mentioned in the context of weeds and pesticide publications, suggesting potential interactions with pest management practices.
- Observed alongside crab spiders.
Further Information
- Lady Bird Johnson Wildflower Center
- Discover Life
- CalPhotos