Comparaison

Photos

Najas minor
© GA
Critères
Critère
Naïade mineure
Najas minor
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 10 - 25 cm
Couleur dominante des pièces pétaloides
Verdâtre
Habitat
Lac, étang, rivière
Nombre de pétales ou de tépales
Aucun pétale
Nombre d'étamines
1
Port de la plante
Flottante ou submergée
Position de l'ovaire
Infère
Particularité du port de la plante
Tiges feuillées submergées, non stolonifères
Position des fleurs femelles
Submergées
Dimension du fruit
Diamètre du fruit < 1 mm
Type de plante
Plante herbacée à fleurs
  • Plante aquatique
Type biologique
Plante aquatique
  • Submergée
Disposition des feuilles
Tige aérienne avec feuilles
  • Opposées
  • Verticillées
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur > 10
  • Linéaire
Bord des limbes
Echancrures < 20% du limbe
  • Denté
Type de fleur
Autre
  • Autre (Voir aide)
Dimension de la fleur en mm
Plante à fleurs nues
  • Pièces florales absentes ou transformées en soies
Type d'inflorescence
Fleur solitaire
  • Fleur solitaire
Type de fruit
Sec indéhiscent
  • Akène simple
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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