Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : rumcr
Synonym(s) of Sc. name:
Classification: Polygonaceae, Dicotyledonous
Common name: curled dock
Synonym(s) of Common name:
Name per country: DE : Krauser Ampfer ; ES : acedera crispada ; FR : rumex crépu ; IT : romice crespo ; PT : labaça-crespa ; EN : curled dock ; NL : krulzuring ; DK : kruset skræppe
Biological type: Perennial with rhizomes
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- Cotyledons elliptic or ovate, rounded tip, more or less stalked.
- Leaves entire, elliptic or ovate, more or less dentate.
- Height: 50-150 cm.
- Stem stout, erect, branched near the apex, with short and erect branches.
- Lower leaves in rosette, dark-green. Leaves with an undulate blade, more or less crisped on margins; lower ovate-elongate, acute apex and attenuate or truncate at base. Leaves with a long channelled stalk, often twice rolled like a cigar on their underside and enclosed in a membranous and whitish sheath (ochrea ).
- Flowers greenish or reddish; many-flowered, closed whorls usually leafless, later lengthening into a dense panicle. Peduncle jointed near the lower 1/4 of its length.
- Fruit with 3 appressed sepals, cordate entire or dentate at base, with unequal tubercles, usually 1 developed and ovoid.
- Plant with an aperitive, diuretic and slightly astringent root.
- Biological type: perennial with rhizomes.
Mistake with: Rumex acetosa (at seedling stage).
Ecological profile (click on flags):
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