Comparaison

Sélection

Reynoutria bohemica

Renouée de Bohême

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Photos épinglées

Reynoutria bohemica
Individu
2
Critères
Critère Reynoutria bohemica
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Non renseignée
Hauteur mini-maxi 2 - 3 m
Nombre de pétales ou de tépales
5
Habitat
Zone humide, tourbière, rives
Nombre d'étamines
8 ou 9
Aspect de la fleur
5 pièces, 3 grandes externes et 2 petites internes
Aspect de la tige
Tige ressemblant à du bambou (diamètre 1 à 3 cm)
Détail de la feuille
Feuilles de 15 à 30 cm à base en coeur
Insertion des feuilles
Présence d'une enveloppe membraneuse (ochréa)
Détail de l'inflorescence
Nombreuses inflorescences axillaires
Pilosité de la face inférieure des feuilles
Face inférieure glabre
Taille des ochréas
Ochréas courts < 2 cm
Aspect des semences
Semence à 3 ailes blanches développées
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante vivace souterraine
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Forme des feuilles indivises
Rapport longueur / largeur 1-2
  • Ovale, oblongue ou obovale
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Couleur dominante des pièces pétaloides
Blanche
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Caractère particulier
Présence de stipules ou d'ochréas
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 1 cm
  • 8
Type de fruit
Sec indéhiscent
  • Akène simple
Phénologie
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Carte des observations
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