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

Bayer Code : pkmar

Scientific name: Polycnemum arvense L.


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


Seedling snapshot Seedling:

- Cotyledons very narrow and short (few mm long).

- Leaves entire, lengthened, rounded tip.


Adult plant snapshotAdult plant snapshot Adult plant:

- 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): Germany   Rare     France  Rare    

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