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)

Ambroise élevée
Ambrosia artemisiifolia

Critères (➡️)

Critère	Ambroise élevée Ambrosia artemisiifolia
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	30 - 100 cm
Type de plante	Autre plante herbacée à fleur
Port de la plante	Tige dressée
Habitat	Terrain vague, chemin Prairie, pelouse
Type biologique	Plante annuelle
Disposition des feuilles	Opposées
Structure de la feuille	Pennée et plus profondément découpée
Forme des feuilles indivises	Feuilles découpées ou composées
Bord des limbes	Lobé ou découpé
Type de fleur	Autre (Voir aide) Pétales ou tépales soudés
Dimension de la fleur en mm	3 5 Pièces florales absentes ou transformées en soies
Position de l'ovaire	Infère
Couleur dominante des pièces pétaloides	Jaunâtre Verdâtre
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	Le tube se termine par 5 dents courtes
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 couronne écailleuse
Présence de lait dans la plante	Absence de lait
Inflorescences mâles	Plante terminée par une grappe de capitules mâles
Fleurs femelles	Semences isolées enfermant une seule fleur nue
Division des feuilles inférieures	Deux fois divisée à bande médiane étroite

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)

Ambroise élevée Ambrosia artemisiifolia

Critères (➡️)

Carte des observations

Ambroise élevée
Ambrosia artemisiifolia