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Rio Grande ragweed
Scientific Name: Ambrosia cheiranthifolia
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names: TX (South Texas ambrosia)
Rio Grande Ragweed (Ambrosia cheiranthifolia)
Ambrosia cheiranthifolia, commonly known as Rio Grande ragweed or South Texas ambrosia, is a rare species of flowering plant.
Considerations for Pets
- This plant is a ragweed, and there is some mention of "burr ragweed," so this species may produce burrs.
Considerations for Children
- This plant is a ragweed, and there is some mention of "burr ragweed," so this species may produce burrs.
Nomenclature and Taxonomy
- Scientific Name: Ambrosia cheiranthifolia A. Gray
- Family: Asteraceae
- Synonyms: South Texas Ragweed, South Texas Ambrosia
Common Names
- Rio Grande ragweed
- South Texas ambrosia
Distribution and Habitat
- Native to South Texas, specifically the Rio Grande Plains and Coastal Prairies.
Morphological Characteristics and Growth Habits
- Type: Forb/herb (a non-woody plant that is not a grass)
- Duration: Perennial
- Growth habit: Low-to-mid size growing
Ecological Role
- Ragweed pollen is a known allergen.
Interactions with Other Organisms
- It serves as a food plant for some caterpillars in the Lower Rio Grande Valley of Texas.
- The Ragweed Leaf Beetle (Zygogramma suturalis) or a closely related species may interact with this plant.
Further Information
- Taxonomic information is available from the British Database of World Flora and Fauna.
- Dave's Garden is a resource for gardening tips and plant information.