Comparaison

Sélection

Symphyotrichum salignum

Aster à feuilles de Saule

Photos

Photos épinglées

Symphyotrichum salignum
Individu
5
Critères
Critère Symphyotrichum salignum
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 60 - 160 cm
Nombre d'étamines
5
Disposition des capitules
Capitule solitaire
Position des épines
Plante ne possédant pas d'épine
Couleur du capitule
Bicolore jaune au centre, blanc autour
Bicolore jaune au centre, bleu violacé autour
Présence d'écailles sur le capitule
Réceptacle nu ou pubescent entre les fleurs
Présence de lait dans la plante
Absence de lait
Inflorescence
Nombreux capitules à ligules blanches à mauves
Bractées externes de l'involucre
Atteignant la moitié de l'involucre et > 0,7 mm
Fleurs ligulées
> 1,5 mm de large, lilas pâle ou soutenu
Pilosité de la plante
Parties végétatives presques glabres
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante vivace en surface
  • Plante vivace souterraine
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Denté
Type d'inflorescence
Fleurs regroupées
  • Capitule
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Composition du capitule
Fleurs en tube au centre et en languette autour
  • Les tubulées à 5 dents, les ligulées à 2 - 3 dents
Dimension de la fleur en mm
1 à 2 cm
  • 15
Couleur dominante des pièces pétaloides
Blanche
Rose, lilas
Port de la plante
Tige dressée
Position de l'ovaire
Infère
Habitat
Mégaphorbiaie
Nombre de pétales ou de tépales
Capitule
Type d'akène
Pappus formé d'une aigrette sessile
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Type de fleur
Autre
  • Autre (Voir aide)
Type de fruit
Sec indéhiscent
  • Akène simple
Phénologie
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Carte des observations
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