Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon

Bayer Code : cheal

Scientific name: Chenopodium album L.

Synonym(s) of Sc. name:

Classification: Chenopodiaceae, Dicotyledonous

Common name: fat hen

Synonym(s) of Common name:

Name per country: DE : Weißer Gänsefuß ; ES : cenizo ; FR : chénopode blanc ; IT : farinello comune ; PT : catassol ; EN : fat hen ; NL : meelganzevoet, NL : witte ganzevoet ;

Biological type: Annual

Seed:

.

Seedling:

- Cotyledons elliptical, with rounded tip, more or less petiolate.

- Entire leaves, ovate to triangular, irregularly dentate.

Adult plant:

- Height: 30-100 cm (upto 200 cm).

- Stem angular, simple or branched.

- Lower leaves opposed with entire ovate lamina. Next leaves alternate, dentate, carenate, upper face farinose; leaves near inflorescence are lanceolate.

- Flowers small, greenish, grouped in whitish farinose, glomerules in panicle. Carenate sepals persistent on fruit and surrounding it.

- Fruits contain only one leaf sheath.

- Diuretic plant. Triazine resistant populations in France,U.S.A., Austria, Germany, Belgium, Netherlands, Hungary Sweden, Canada, New Zealand, Italy, Great Britain, Poland and the former Yugoslavia.

- - Risk of confusion with: Chenopodium ficifolium Sm., Chenopodium opulifolium Schrader ex KZ, Chenopodium glaucum L., Chenopodium murale L, Atriplex patula L.

- Biological type: annual.

Mistake with: Chenopodium ficifolium , Chenopodium opulifolium Chenopodium glaucum , Chenopodium murale , Atriplex patula

Ecological profile (click on flags):   Present       Present       Present       Present       Present       Present       Present     Present    

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