Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : amabl
Synonym(s) of Sc. name: Amaranthus blitoides S. Watson.
Classification: Amaranthaceae, Dicotyledonous
Common name: prostrate pigweed
Synonym(s) of Common name:
Name per country: DE : Niederliegender Amarant ; ES : amaranto ; FR : amarante fausse blite ; IT : amaranto blitoide ; PT : bredos ; EN : prostrate pigweed ;
Biological type: Annual
- Cotyledons elliptical, with rounded tip, more or less petiolate.
- Entire leaves, elliptical to ovate with entire margin.
- Stem prostate,trailing on ground, branches clustered finely divided 20 80 cm long.
- Leaves entire alternate, glabrous, with plain margin and with clear lamina, obovate, spatulate,15 20 mm, often reddish.
- Inflorescence in axillary tuft, the bracteoles are triangular and pointed, green or reddish. Perianth composed of 4 5 elongated pieces unequal in length and large.
- Fruit smooth and dehiscent, slightly spherical 2 mm.
- Triazine resistant populations in Israel and Spain.
- Risk of confusion with Amaranthus hybridus L. and Amaranthus blitum L. at seedling stage.
- Biological type: annual.
Mistake with: Amaranthus hybridus , Amaranthus blitum
Ecological profile (click on flags):
Present
Present
Present
Present
