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Ambrosia ×intergradiens

Scientific Name: Ambrosia ×intergradiens

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Ambrosia × intergradiens

Ambrosia × intergradiens, also known as intergrading ragweed, is a hybrid within the Ambrosia genus.

Taxonomy and Nomenclature:

  • Scientific Name: Ambrosia × intergradiens W.H. Wagner
  • Common Name: Intergrading ragweed
  • Family: Asteraceae (Aster family or Compositae)
  • Rank: Hybrid
  • Synonyms/Related Species: It is a hybrid of Ambrosia artemisiifolia and Ambrosia psilostachya. Some botanists have called A. artemisiifolia and A. psilostachya as A. intergradiens.

Distribution and Habitat:

  • The hybrid Ambrosia artemisiifolia x A. psilostachya (A. intergradiens Wagner) has been found in the USA.
  • Hybrids with A. artemisiifolia are relatively widespread in Michigan.

Morphological Characteristics:

  • Ragweeds are flowering plants.

Additional Information:

  • Ambrosia is a genus with over 50 recognized species.
  • Ragweeds are also called bitterweeds or bloodweeds.

Resources:

  • ITIS TSN 36512
  • Encyclopedia of Life
  • Wikimedia Commons
  • DiversityOfLife.org (Tompkins County Flora)