Comparaison

Photos

Ludwigia grandiflora

© GA
Critères
Critère
Jussie à grandes fleurs
Ludwigia grandiflora
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 30 - 500 cm
Type biologique
Plante terrestre
  • Plante vivace en surface
Plante aquatique
  • Flottante
Nombre de pétales ou de tépales
5
Nombre d'étamines
8 ou 9
Position de l'ovaire
Infère
Caractère particulier
Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides
Jaune
Habitat
Lac, étang, rivière
Port de la plante
Flottante ou submergée
Persistance des sépales
Sépales persistants au sommet du fruit
Nombre de styles et stigmates
Un seul style terminé par 2-4 stigmates agglomérés
Pilosité du sommet de la tige et des pédicelles
Poils étalés > 1 mm
Tailles des sépales au sommet du fruit
5 sépales de 12 à 16 mm
Type de plante
Plante herbacée à fleurs
  • Plante aquatique
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
2 à 5 cm
  • 40
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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