Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : naimi
Synonym(s) of Sc. name:
Classification: Najadaceae, Monocotyledonous
Common name: small naiad
Synonym(s) of Common name:
Name per country: DE : Kleines Nixenkraut ; ES : nayade menor ; FR : najas mineur ; IT : ranocchina minore ; PT : carrapêto ; EN : small naiad ;
Biological type: Annual
-Cotyledon linear.
-Leaves filiform, ensheathed.
-Stem smooth, branched and with roots at base. Leaves opposed or in whorls (3), filiform (1.5-3 cm x 1 mm), prickly-dentate, vein underneath, sometimes prickly dentate; sheath dentate and ciliate-Flowers unisexual (plant monoecious ), joined by 2 axils, sessile, the male within the perianth, greenish with stamen and the female without perianth, with a uniovicular carpel surmounted by 2 persistent styles.
-Fruits : Achenes of 2-3 mm with longitudinal striations.
-Especially aquatic, immersed, development in tufts.
- Biological type : Annual
Mistake with: Zannichellia palustris
Ecological profile (click on flags):
Present
Present
Rare
