Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : rumbu
Synonym(s) of Sc. name:
Classification: Polygonaceae, Dicotyledonous
Common name: horned dock
Synonym(s) of Common name:
Name per country: DE : Ochsenkopf-Ampfer ; ES : acedera de lagarto ; FR : rumex tête de boeuf ; IT : romice capo di bue ; PT : catacuzes ; EN : horned dock ;
Biological type: Annual
.
- Cotyledons elliptic or ovate, rounded tip, more or less stalked.
- Leaves entire, elliptic or ovate, more or less dentate.
- Height: 5-30 cm. Plant glabrous, often reddish.
- Stem slender, ascending or erect, simple or few-branched.
- Lower leaves in rosette. Leaves small, stalked, ovate-rhomboidal or lanceolate, entire, attenuate at base; sheath (ochreas) white, shining, 2-acute-lobed.
- Flowers greenish, 2-3 whorled in simple, slender, lax nearly leafless racemes ; lower racemes with a basal bract.
- Fruit with a clavate and recurved fruiting peduncle. Fruiting valves leathery, lanceolate, deltoid, with thick and often hooked teeth on margins (3-5 on each side).
- Biological type: annual.
Ecological profile (click on flags):
Present
Present
Present
