Comparaison

Sélection

Ludwigia grandiflora

Jussie à grandes fleurs

Photos

Photos épinglées

Ludwigia grandiflora
Individu
5
Critères
Critère 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
Nombre de pétales ou de tépales
5
Nombre d'étamines
8 ou 9
Habitat
Lac, étang, rivière
Nombre de styles et stigmates
Un seul style terminé par 2-4 stigmates agglomérés
Persistance des sépales
Sépales persistants au sommet du fruit
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
Type biologique
Plante aquatique
  • Flottante
Plante terrestre
  • Plante vivace en surface
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
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
Dimension de la fleur en mm
2 à 5 cm
  • 40
Couleur dominante des pièces pétaloides
Jaune
Position de l'ovaire
Infère
Port de la plante
Flottante ou submergée
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
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Phénologie
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Carte des observations
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