Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : pkmar
Synonym(s) of Sc. name:
Classification: Chenopodiaceae, Dicotyledonous
Common name: field polycnemum
Synonym(s) of Common name:
Name per country: DE : Acker-Knorpelkraut ; FR : polycnème des champs ; IT : canforata selvatica ; PT : ; EN : field polycnemum ;
Biological type: Annual
- Cotyledons very narrow and short (few mm long).
- Leaves entire, lengthened, rounded tip.
- Height: 5-20 cm.
- Stem reddish mostly prostrate, spreading, branched, scarcely simple and erected.
- Leaves (4-8 mm) closed each other along the stems, erect or somewhat spreading, narrow, very acute in their upper part, obscurely bristly, widened and more or less membranous in their lower part.
- Flowers whitish, very small and numerous, almost on the whole length of the stem. Sepals 5, membranous, ovate, lengthened into a small point.
- Fruits very small (1 mm), ovoid, not exceeding the perianth.
- Rare in crops and frequency declining in countries except mediterranean and submediterranean areas.
- Biological type: annual.
Mistake with: Scleranthus annuus
Ecological profile (click on flags):
Rare
Rare
