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San Diego burr ragweed
Scientific Name: Ambrosia chenopodiifolia
Family: Asteraceae
Category: Dicot
Growth: Subshrub, Shrub
Duration: Perennial
Other Names:
Ambrosia chenopodiifolia: San Diego Burr Ragweed
Ambrosia chenopodiifolia, commonly known as San Diego bursage or San Diego bur ragweed, is a species of ragweed found in specific regions.
Considerations for Pets
- This plant produces burs, which could potentially become entangled in a pet's fur.
- As a ragweed, it produces pollen, which is a known allergen.
Considerations for Children
- This plant produces burs, which could potentially become entangled in clothing or cause minor discomfort.
- As a ragweed, it produces pollen, which is a known allergen.
Taxonomy and Nomenclature
- Scientific Name: Ambrosia chenopodiifolia (Benth.) Payne
- Common Names: San Diego bursage, San Diego bur ragweed, San Diego Bur-sage
- Synonym: Franseria chenopodiifolia Benth.
- Author Citation: W.W.Payne
Distribution and Habitat
- Native to Baja California and far southern California.
- Specifically found in Orange County, Ventura County, and San Diego County (including Pelagic Waters), CA, US.
- Also found in the US/Mexico border region.
Morphological Characteristics
- Described as an annual herb, subshrub, or shrub.
- Duration is perennial.
Quirky Facts
- There are houses located on "Ragweed" street in San Diego.
Related Species
- Ambrosia acanthicarpa (Flatspine burr ragweed, annual bursage)
- Ambrosia pumila (Dwarf burr ragweed, San Diego ambrosia)
- Ambrosia confertiflora (Weakleaf Burr Ragweed)
Ecological Role
- Ragweed pollen is a notorious allergen for humans.
Further Information
- Dave's Garden
- Garden Guides
- Discover Life
- ITIS (Integrated Taxonomic Information System)