Comparaison

Comparer plusieurs plantes en visualisant leurs photos, leurs critères distinctifs ou communs, et leur répartition géographique selon les connaissances actuelles.

Photos (clic pour agrandir)

Aster à feuilles de Saule
Symphyotrichum salignum

Critères (➡️)

Critère	Aster à feuilles de Saule 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 de la plante	60 - 160 cm
Type de plante	Autre plante herbacée à fleur
Port de la plante	Tige dressée
Habitat	Mégaphorbiaie
Type biologique	Plante vivace en surface Plante vivace souterraine
Disposition des feuilles	Alternes
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Lancéolée
Bord des limbes	Denté
Type de fleur	Autre (Voir aide)
Dimension de la fleur en mm	15
Position de l'ovaire	Infère
Couleur dominante des pièces pétaloides	Rose, lilas Blanche
Nombre de pétales ou de tépales	Capitule
Type d'inflorescence	Capitule
Nombre d'étamines	5
Type de fruit	Akène simple
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Composition du capitule	Les tubulées à 5 dents, les ligulées à 2 - 3 dents
Couleur du capitule	Bicolore jaune au centre, blanc autour Bicolore jaune au centre, bleu violacé autour
Disposition des capitules	Capitule solitaire
Position des épines	Plante ne possédant pas d'épine
Présence d'écailles sur le capitule	Réceptacle nu ou pubescent entre les fleurs
Type d'akène	Pappus formé d'une aigrette sessile
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

Carte des observations

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Avertissement : La carte présentée ne correspond qu'à l'état actuel des connaissances et ne peut être considérée comme exhaustive. Cette carte est une retranscription en temps réel des contributions de chacun sur la base de données et toute nouvelle donnée est à ce titre intéressante, même pour les espèces les plus communes.
Copyright © : Geonat'ÎdF - Lobelia

Comparaison

Photos (clic pour agrandir)

Aster à feuilles de Saule Symphyotrichum salignum

Critères (➡️)

Carte des observations

Aster à feuilles de Saule
Symphyotrichum salignum