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

Bayer Code : chepo

Scientific name: Chenopodium polyspermum L.

Synonym(s) of Sc. name: Atriplex polysperma Crantz, Chenopodium oleraceum Schu.

Classification: Chenopodiaceae, Dicotyledonous

Common name: many-seeded goosefoot

Synonym(s) of Common name:

Name per country: DE : Vielsamiger Gänsefuß ; ES : cenizo de muchas semillas ; FR : chénopode polysperme ; IT : farinello polisporo ; PT : erva-das-sementes ; EN : many-seeded goosefoot ; NL : korrelganzevoet ; DK : mangefroed gåsefod

Biological type: Annual

Seed snapshot Seed:

.

Seedling snapshot Seedling:

- Cotyledons spatulate.

- Leaves entire, elliptic or ovate, with entire margin.

Adult plant snapshot Adult plant:

- Height: 30-80 cm.

- Stem angular, often reddish and very branched.

- Leaves : the lower opposite, the later alternate. Leaves olive-green yellowish. Cauline leaves, stalked, entire or occasionally 1 or 2-toothed, ovate, elongate, very acuminate, with a red margin. Leaves of the inflorescence small, entire, lanceolate or elliptical and really apex acuminated.

- Flowers small without corolla, green or pink, in glomerules, gathered in compound and elongated racemes. Sepals without keel, so the fruit is not hidden.

- Fruits pink, then dark-red.

- Presence of triazine resistant populations in France, Switzerland, Germany, Rumania, Hungary.

- Biological type: annual.

Ecological profile (click on flags): BeneLux   Present     Germany  Present     Denmark  Present     Spain  Rare     France  Present     Great Britain  Present     Italy  Present     Portugal  Present    

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