Comparaison

Photos

Hippuris vulgaris

© GA
Critères
Critère
Pesse d'eau
Hippuris vulgaris
Période floraison ou sporulation
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  • A
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Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 20 - 60 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Verdâtre
Dimension de la fleur en mm Plante à fleurs nues
Pièces florales absentes ou transformées en soies
Disposition des feuilles Tige aérienne avec feuilles
Verticillées
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur > 10
Linéaire
Fréquence Extrêmement rare (RRR)
Habitat Lac, étang, rivière
Hauteur maxi de la plante en cm 31 à 60 cm
60
Hauteur mini de la plante en cm 20
Nombre d'étamines 1
Nombre de pétales ou de tépales Aucun pétale
Port de la plante Tige dressée
Position de l'ovaire Infère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante aquatique
Dépassant la surface
Type d'inflorescence Fleurs regroupées
Epi ou épi composé
Type de fleur Autre
Autre (Voir aide)
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
À feuilles linéaires et longues gaines
Plante aquatique
Nombre de sépales Absence de sépales
Type de fruit Akène simple
Pièces florales Pièces florales réduites à une gaine cylindrique
Carte des observations
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