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

Bayer Code : amacr

Scientific name: Amaranthus cruentus L.

Synonym(s) of Sc. name: Amaranthus patulus Bertoloni Amaranthus hybridus Thellung subsp. cruentus (L.) Thellung

Classification: Amaranthaceae, Dicotyledonous

Common name: purple amaranth

Synonym(s) of Common name:

Name per country: DE : Ausgebreiteter Fuchsschwanz ; ES : moco de pavo ; FR : amarante étalée ; IT : amaranto cruento ; PT : bredo ; EN : purple amaranth ;

Biological type: Annual

Seed:

.

Seedling:

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

- Entire leaves, elliptical with ovate, with entire margin.

Adult plant:

- Height: 20 80 cm.

- Stem erect more or less hairy simple or simply branched.

- Leaves dark green on upper face, rhomboid ovate, angular, rapidly attenuated petiole.

- Flowers greenish in slight axillary spike and in terminal raceme. Bracts slightly prickly, perianth of 5 ovate pieces.

- Fruit ovoid, dehiscent. Species rare in crops. Triazine resistant populations in Italy and Spain.

- Risk of confusion with Amaranthus hybridus L.

- Biological type: annual.

Mistake with: Amaranthus hybridus

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

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