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)

Gnaphale blanc-jaunâtre
Laphangium luteoalbum

Critères (➡️)

Critère	Gnaphale blanc-jaunâtre Laphangium luteoalbum
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Extrêmement rare (RRR)
Hauteur mini-maxi de la plante	5 - 40 cm
Type de plante	Autre plante herbacée à fleur
Port de la plante	Tige dressée
Habitat	Lac, étang, rivière Zone humide, tourbière, rives
Type biologique	Plante annuelle
Disposition des feuilles	Alternes
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Lancéolée
Bord des limbes	Entier à marge ondulée
Type de fleur	Pétales ou tépales soudés
Dimension de la fleur en mm	5
Position de l'ovaire	Infère
Couleur dominante des pièces pétaloides	Jaunâtre
Nombre de pétales ou de tépales	Capitule
Type d'inflorescence	Capitule
Nombre d'étamines	5
Type de fruit	Akène avec appendices plumeux
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Composition du capitule	Le tube se termine par 5 dents courtes
Couleur du capitule	À une seule couleur
Disposition des capitules	Corymbe de capitules
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
Forme et pilosité des feuilles	Feuilles entières couvertes de poils laineux
Séparation des sexes dans le capitule	Capitule hermaphrodite
Sommet des bractées médianes	Bractées obtuses au sommet
Nombre de pétales sur les fleurs centrales	5 pétales
Couleur du sommet des bractées de l'involucre	Très membraneux jaunâtre et luisant
Aigrettes du fruit	Sur tous les fruits, à soies libres
Forme du capitule	Capitule à angles peu marqués
Nombre de fleurs hermaphrodites	4 à 8
Organisation des semences dans le capitule	Toutes libres
Couleur de l'arête des bractées	Absence d'arête

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)

Gnaphale blanc-jaunâtre Laphangium luteoalbum

Critères (➡️)

Carte des observations

Gnaphale blanc-jaunâtre
Laphangium luteoalbum