Comparaison

Photos

Ranunculus nodiflorus
© GA
Critères
Critère
Renoncule à fleurs nodales
Ranunculus nodiflorus
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 2 - 25 cm
Caractère particulier
Présence de stipules ou d'ochréas
Position de l'ovaire
Supère
Couleur dominante des pièces pétaloides
Jaune
Habitat
Zone humide, tourbière, rives
Nombre de pétales ou de tépales
5
Nombre d'étamines
>10
Port de la plante
Tige dressée
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
Arqué
Orientation des sépales
Sépales dressés plaqués aux pétales
Ornementations des akènes
Faces verruqueuses
Particularité de la biologie de la plante
Aquatique
Terrestre sans stolons et sans tubercules
Type de feuille aquatique
Absence de feuilles à segments filiformes
Forme du pédicelle floral
Pédicelle absent ou presque
Pilosité du pédicelle floral
Pédicelle absent ou presque
Rigidité des feuilles submergées
Plante non aquatique
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante annuelle
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
  • Ovale lancéolée ou oblancéolée
Rapport longueur / largeur > 10
  • Linéaire
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
  • Denté
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 5 mm
  • 2
Type d'inflorescence
Fleur solitaire
  • Fleur solitaire
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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