Ambrosia with sheets of armoise

See also: Ambrosia, Ambrosia

The ambrosia with sheets of armoise ( Ambrosia artemisiifolia L.) is a annual Plante herbaceous. It is also called high Ambroisie and in Canada Herbe with lice . It causes low registers Pollinose S in the Rhone-Alps by its proliferation, but there exists at the level national and European no legislative text or lawful specific on the fight against the ambrosia.

Description

They is adventitious cultures of spring and a plant rudérale. The Pollen (transported by the Wind) can cause atopic Allergie S .

Characteristics

  • reproductive Bodies
    • dominant Color of the flowers: green
    • Period of flowering: August-September
    • Inflorescence: Male flowers: ear of flowerheads
    • Sexuality: monoïque
    • Pollination: anémogame
  • Seed
    • Fruit: akene
    • Dissemination: barochore, anthropochore, hydrochore
  • Habitat and standard distribution
    • Habitat: cultures of spring, intercultures, edge of roads, agricultural and urban waste lands, banks of rivers.
    • Surface of distribution: introduced (Bitter. north)
given according to: Julve, pH., 1998 FF. - Baseflor. Botanical, ecological and chorologic index of the flora of France. Version: April 23rd, 2004.

Distribution

This species is originating in North America: Canada, of Newfoundland and the New Brunswick to the Manitoba and the Saskatchewan, the United States, of the Maine to the Texas and of the Florida to the Wisconsin.

It was largely naturalized elsewhere, in particular in Europe where it behaves like a invading Plante.

See too

  • Bond towards Tela Botanica, plants invading
  • Bond towards Tela Botanica, data sheet
  • www.ambroisie.info
  • NR: The ambrosia
  • Québécois Table on grass with lice
  • Fight association against Ambrosia (Quebec)

Thesis:

  • Benjamin GENTON, Interest of an evolutionary approach for the study of the biological invasions. The invasion of Ambrosia artemisiifolia in the valley of the Rhone . Thesis to obtain the rank of doctor of the ENGREF, speciality Sciences of the environment. Presented on May 31st, 2005. To see document pdf

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