Comparaison

Photos

Alnus incana
© GA
Critères
Critère
Aulne blanchâtre
Alnus incana
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté None
Hauteur mini-maxi 2 - 20 m
Bord des limbes Echancrures < 20% du limbe
Denté
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Jaune
Verdâtre
Brunâtre
Pas de calice ni de corolle
Dimension de la fleur en mm Plante à fleurs nues
Pièces florales absentes ou transformées en soies
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 Rapport longueur / largeur 1-2
Ovale, oblongue ou obovale
Habitat Forêt, haie, lisière, chemin forestier (laie)
Zone humide, tourbière, rives
Hauteur maxi de la plante en cm 15 à 40 mètres
2000
Hauteur mini de la plante en cm 200
Nombre d'étamines 4
Nombre de pétales ou de tépales Aucun pétale
4
Port de la plante Arbre
Position de l'ovaire Infère
Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante ligneuse
Type d'inflorescence Fleurs regroupées
Epi ou épi composé
Cyme ou cyme composée
Type de fleur Autre
Autre (Voir aide)
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante ligneuse
Arbre
Aspect du tronc Gris
Lisse
Inflorescence détail Inflorescence femelle en cône, persistant
Pilosité des feuilles Feuille pubescente non glanduleuse
Détail du fruit Cône sessile ou très faiblement pédonculé
Sommet des feuilles Feuillet à sommet en pointe ou acuminé
Carte des observations
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