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)

Laiteron des marais
Sonchus palustris

Critères (➡️)

Critère	Laiteron des marais Sonchus palustris
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Rare (R)
Hauteur mini-maxi de la plante	90 - 200 cm
Type de plante	Autre plante herbacée à fleur
Port de la plante	Tige dressée
Habitat	Mégaphorbiaie Zone humide, tourbière, rives
Type biologique	Plante vivace en surface
Disposition des feuilles	Alternes
Structure de la feuille	Simple, non découpée Pennée et plus profondément découpée
Forme des feuilles indivises	Anguleuse, triangulaire, sagittée Feuilles découpées ou composées
Bord des limbes	Entier à marge lisse ou scabre Lobé ou découpé
Type de fleur	Pétales ou tépales soudés Autre (Voir aide)
Dimension de la fleur en mm	35
Position de l'ovaire	Infère
Couleur dominante des pièces pétaloides	Jaune
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	Nettement sillonnée
Composition du capitule	Languette terminée par 5 dents
Couleur du capitule	À une seule couleur
Disposition des capitules	Autres disposition des 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	Présence de lait à la cassure de parties jeunes
Akènes périphériques	Bruns ou beiges, marges épaissies différenciées
Nombre de fleurs ligulées par capitule	Nombreuses
Forme des oreillettes des feuilles	Allongées, divergentes et aigues
Pilosité de l'involucre du capitule	Couvert de poils glanduleux jaunes
Localisation des poils épineux	Absents
Feuilles caulinaires supérieures	Terminées par une longue pointe linéaire

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)

Laiteron des marais Sonchus palustris

Critères (➡️)

Carte des observations

Laiteron des marais
Sonchus palustris