Comparaison

Sélection

Ranunculus fluitans

Renoncule des rivières

Photos

Photos épinglées

Ranunculus fluitans
Individu
2
Critères
Critère Ranunculus fluitans
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
6
Plus de 6 pétales
Nombre d'étamines
>10
Habitat
Lac, étang, rivière
Type de feuille aquatique
Toutes immergées à segments filiformes
Rigidité des feuilles submergées
Feuilles submergées souples
Pilosité du pédicelle floral
Totalement glabre
Forme du pédicelle floral
Cylindrique lisse
Types de nectaires
Glandes nectarifères à la base des pétales
Forme du réceptacle fructifère
Réceptacle plat ou simplement bombé
Orientation des sépales
Sépales dressés plaqués aux pétales
Particularité de la biologie de la plante
Aquatique
Ornementations des akènes
Faces bombées ornées de nervures transversales
Forme du bec de l'akène
Absent ou peu développé
Forme des feuilles divisées des plantes terrestres
Feuilles aquatiques ou non divisées
Type de plante
Plante herbacée à fleurs
  • Plante aquatique
Type biologique
Plante aquatique
  • Submergée
Plante terrestre
  • Plante vivace en surface
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
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
1 à 2 cm
  • 20
Couleur dominante des pièces pétaloides
Blanche
Position de l'ovaire
Supère
Port de la plante
Flottante ou submergée
Caractère particulier
Présence de stipules ou d'ochréas
Structure de la feuille
Feuille plus ou moins découpée
  • Palmée et plus profondément découpée
Feuille composée
  • Composée palmée
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Type de fruit
Sec indéhiscent
  • Akène simple
Phénologie
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Carte des observations
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