Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : atxpa
Synonym(s) of Sc. name: Atriplex angustifolia Smith, Schizotheca patula Fourreau Teuttiopsis patula Celakowski
Classification: Chenopodiaceae, Dicotyledonous
Common name: common orache
Synonym(s) of Common name:
Name per country: DE : Gemeine Melde ; ES : armuelle silvestre ; FR : arroche étalée ; IT : atriplice erba-corregiola ; PT : armoles ; EN : common orache ; NL : uitstaande melde ; DK : svine-mælde
Biological type: Annual
- Cotyledons elliptic, tip rounded, more or less petiolated.
- Leaves entire, ovate or triangular, irregularly dentate.
- Height: 20-80 cm.
- Stem generally strongly fluted, branched (branches horizontal very long, partly decumbent).
- Young leaves mealy, generally glaucous, later green on each side, rhomboid, lanceolate, base acuminate. Two teeth at the base of lower leaves. Early development of cotyledon buds.
- Flowers greenish in terminal diffuse inflorescences. Glomerules gathered in pseudo-spikes interrupted without leaves. Bracts slightly hastate, smooth or slightly pickly.
- Refreshing plant, high level of soda in the ashes.
- Presence of triazine resistant populations in Switzerland, Austria, Poland, Germany.
- Risk of confusion with Chenopodium ficifolium Sm., Chenopodium album L., Atriplex prostrata DC.
- Biological type: annual.
Mistake with: Chenopodium ficifolium , Chenopodium album , Atriplex prostrata
Ecological profile (click on flags):
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