Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : scran
Synonym(s) of Sc. name:
Classification: Caryophyllaceae, Dicotyledonous
Common name: annualknawel
Synonym(s) of Common name:
Name per country: DE : Einjähriger Knäuel ; FR : scléranthe annuel ; IT : centograni annuo ; PT : erva-dura ; EN : annualknawel ; NL : naaldekervel ; DK : enrig knavel
Biological type: Annual, Biennial
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- Cotyledons very narrow and short (few mm long).
- Leaves entire, elongate, rounded tip.
- Height: 5-20 cm.
- Stem slender, erect-spreading or erect-ascending.
- Leaves opposite, linear, awl -like, lengthened.
- Flowers greenish in axillary and terminal more or less lax clusters. Calyx glabrous, with a tube not constricted at the apex and attenuate at base. Sepals lanceolate, linear, narrowly margined, spreading or slightly opened after flowering, aristate.
- Risk of confusion with Polycnemum arvense L., Sagina apetala Ard., Spergula arvensis L., Spergularia rubra (L.)JS. & KB. Presl.
- Biological type: annual or biennial.
Mistake with: Polycnemum arvense , Sagina apetala , Spergula arvensis , Spergularia rubra
Ecological profile (click on flags):
Present
Present
Present
Rare
Rare
Present
Present 
Present
