Comparaison

Photos

Ranunculus circinatus
© GA
Critères
Critère
Renoncule divariquée
Ranunculus circinatus
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 15 - 120 cm
Structure de la feuille
Feuille plus ou moins découpée
  • Palmée et plus profondément découpée
Feuille composée
  • Composée palmée
Couleur dominante des pièces pétaloides
Blanche
Nombre de pétales ou de tépales
5
6
Port de la plante
Flottante ou submergée
Habitat
Lac, étang, rivière
Nombre d'étamines
>10
Position de l'ovaire
Supère
Rigidité des feuilles submergées
Feuilles submergées à segments filiformes rigides
Pilosité du pédicelle floral
Totalement glabre
Forme du pédicelle floral
Cylindrique lisse
Caractère particulier
Présence de stipules ou d'ochréas
Forme du réceptacle fructifère
Réceptacle plat ou simplement bombé
Types de nectaires
Glandes nectarifères à la base des pétales
Forme des feuilles divisées des plantes terrestres
Feuilles aquatiques ou non divisées
Forme du bec de l'akène
Absent ou peu développé
Orientation des sépales
Sépales dressés plaqués aux pétales
Ornementations des akènes
Faces bombées ornées de nervures transversales
Particularité de la biologie de la plante
Aquatique
Type de feuille aquatique
Toutes immergées à segments filiformes
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
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
1 à 2 cm
  • 15
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Type de fruit
Sec indéhiscent
  • Akène simple
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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