Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : polco
Synonym(s) of Sc. name: Polygonum convolvulus L.
Classification: Polygonaceae, Dicotyledonous
Common name: black-bindweed
Synonym(s) of Common name:
Name per country: DE : Winden-Knöterich ; ES : poligono trepador ; FR : renouée liseron ; IT : poligono convolvolo ; PT : corriola-bastarda ; EN : black-bindweed ; NL : zwaluwtong, NL : wilde boekweit ; DK : snerle-pileurt
Biological type: Annual
.
- Cotyledons elliptic to ovate, rounded tip, more or less stalked.
- Leaves sagittate or cordate.
- Height: 20-100 cm, slender, leaves alternate, prostrate or climbing. Plant with a slender principal root.
- Leaves cordate-sagittate, tapered into a point at the apex. Prominent veins beneath. Sheath leaf short and truncate: the ochreae.
- Flowers whitish, in loose raceme.
- Fruit 3-angled, black. Seeds black, enclosed in the brown residue of the perianth.
- Plant of which seeds are used as groats for feeding birds. Populations exist which are resistant to triazines in Austria, Germany and Netherlands.
- Biological type: Annual.
Mistake with: Convolvulus arvensis , Calystegia sepium
Ecological profile (click on flags):
Present
Present
Present
Rare
Present
Present
Present
Present
