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common brassbuttons

Scientific Name: Cotula coronopifolia

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Cotula coronopifolia: Brass Buttons

Cotula coronopifolia, a small marsh flower, is commonly known as brass buttons, golden buttons, and buttonweed. The common name "brass buttons" comes from the appearance of the flower heads. Other plants with similar common names include those from the Leptinella genus.

Considerations for Pets

  • While the provided text does not explicitly mention toxicity, the plant's presence in marshland and as a groundcover could expose pets to it, particularly dogs and outdoor cats. Further research is recommended to verify the plant's safety profile for pets.

Taxonomy and Nomenclature

  • Scientific Name: Cotula coronopifolia L.
  • Family: Asteraceae (also known as Compositae or Sunflower family)
  • Common Names: Brass buttons, golden buttons, buttonweed, common brassbuttons
  • Synonyms: No synonyms are explicitly mentioned in the text, but it is implied that the name has sometimes been misspelled *C. coronipifolia*.

Distribution and Habitat

  • Cotula coronopifolia is commonly found in marshland environments.
  • The plant has been introduced from South Africa and is common along beaches and in salt- and freshwater marshes.

Morphological Characteristics

  • Cotula species can be prostrate annuals or rhizomatous perennials.
  • They can have simple or pinnately divided leaves.
  • The flower heads consist of 1/4 – 3/4 inch hard buttons of disk flowers. These are bright yellow.