Comparaison

Photos

Reynoutria bohemica

© GA
Critères
Critère
Renouée de Bohême
Reynoutria bohemica
Période floraison ou sporulation
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Rareté None
Hauteur mini-maxi 2 - 3 m
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Blanche
Dimension de la fleur en mm Moins de 1 cm
8
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur 1-2
Ovale, oblongue ou obovale
Habitat Zone humide, tourbière, rives
Hauteur maxi de la plante en cm 2 à 5 mètres
300
Hauteur mini de la plante en cm 200
Nombre d'étamines 8 ou 9
Nombre de pétales ou de tépales 5
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante vivace souterraine
Type d'inflorescence Fleurs regroupées
Grappe ou grappe composée
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Aspect de la fleur 5 pièces, 3 grandes externes et 2 petites internes
Détail de l'inflorescence Nombreuses inflorescences axillaires
Insertion des feuilles Présence d'une enveloppe membraneuse (ochréa)
Aspect de la tige Tige ressemblant à du bambou (diamètre 1 à 3 cm)
Aspect des semences Semence à 3 ailes blanches développées
Détail de la feuille Feuilles de 15 à 30 cm à base en coeur
Pilosité de la face inférieure des feuilles Face inférieure glabre
Taille des ochréas Ochréas courts < 2 cm
Carte des observations
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