Comparaison

Photos

Ranunculus lingua

Critères

Critère	Grande douve Ranunculus lingua
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	50 - 160 cm
Couleur dominante des pièces pétaloides	Jaune
Nombre de pétales ou de tépales	5 6
Port de la plante	Tige dressée
Habitat	Zone humide, tourbière, rives
Nombre d'étamines	>10
Position de l'ovaire	Supère
Type de feuille aquatique	Plante non aquatique Absence de feuilles à segments filiformes
Rigidité des feuilles submergées	Plante non aquatique
Pilosité du pédicelle floral	Totalement glabre A poils étalés ou appliqués
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 Arqué
Orientation des sépales	Sépales dressés plaqués aux pétales
Ornementations des akènes	Faces lisses
Particularité de la biologie de la plante	Aquatique
Type de plante	Plante herbacée à fleurs Autre plante herbacée à fleur
Type biologique	Plante aquatique Dépassant la surface Plante terrestre Plante vivace en surface
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 5-10 Linéaire lancéolée
Bord des limbes	Echancrures < 20% du limbe Entier à marge lisse ou scabre
Type de fleur	Symétrie radiale Pétales ou tépales libres
Dimension de la fleur en mm	2 à 5 cm 30
Type d'inflorescence	Fleurs regroupées Cyme ou cyme 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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