Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : zaipa
Synonym(s) of Sc. name: Zannichellia pedunculata Reichneb. Zannichellia pedicellata (Wahlenb. & Rosen ) Fries.
Classification: Zannichelliaceae, Monocotyledonous
Common name: horned pond weed
Synonym(s) of Common name:
Name per country: DE : Teichfaden ; FR : Zannichellie des marais ; IT : zannichellia palustre ; PT : ; EN : horned pond weed ;
Biological type: Perennial
-Plant propagates vegetatively (rhizomes ).
-Leaves : Lamina filiform, 1-4 cm, sheath tubular.
-Stem filiform and very branched.
-Leaves opposite or alternate without petiole, lamina filiform, blunt and mucronate ; sheath free, formed by 2 fused stipules.
-Flowers unisexual (plants monoecious ), isolated or in group, male without perianth with one stamen and the female with perianth, sessile or pedicellate.
-Fruits : achenes flattened on top, beak curved, crenate -toothed ; sometimes in group of 4.
-Aquatic, submerged.
- Biological type : perennial with rhizomes.
Mistake with: Najas minor
Ecological profile (click on flags):
Present
Rare
