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
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Blanche
Dimension de la fleur en mm 1 à 2 cm
15
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Très rare (RR)
Habitat Lac, étang, rivière
Hauteur maxi de la plante en cm 1 à 2 mètres
120
Hauteur mini de la plante en cm 15
Nombre d'étamines >10
Nombre de pétales ou de tépales 5
6
Port de la plante Flottante ou submergée
Position de l'ovaire Supère
Structure de la feuille Feuille plus ou moins découpée
Palmée et plus profondément découpée
Feuille composée
Composée palmée
Type biologique Plante aquatique
Submergée
Plante terrestre
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Grappe ou grappe composée
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Plante aquatique
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
Forme du pédicelle floral Cylindrique lisse
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
Pilosité du pédicelle floral Totalement glabre
Rigidité des feuilles submergées Feuilles submergées à segments filiformes rigides
Type de feuille aquatique Toutes immergées à segments filiformes
Carte des observations
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