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)

Callitriche à angles obtus
Callitriche obtusangula

Critères (➡️)

Critère	Callitriche à angles obtus Callitriche obtusangula
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	10 - 60 cm
Type de plante	Plante aquatique
Port de la plante	Flottante ou submergée
Habitat	Lac, étang, rivière
Type biologique	Submergée Flottante
Disposition des feuilles	Opposées
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Lancéolée Linéaire Ovale, oblongue ou obovale
Bord des limbes	Entier à marge lisse ou scabre
Type de fleur	Autre (Voir aide)
Dimension de la fleur en mm	Pièces florales absentes ou transformées en soies
Position de l'ovaire	Supère
Couleur dominante des pièces pétaloides	Verdâtre
Nombre de pétales ou de tépales	Aucun pétale
Type d'inflorescence	Fleur solitaire
Nombre d'étamines	1
Type de fruit	Akène simple
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Nombre de sépales	Absence de sépales
Type de fruit	Tétrakène
Longueur du pédicelle des fruits	Pédicelle inférieur à la taille du fruit
Dos des akènes	Aile absente
Forme du style	Styles allongés et dressés
Présence de bractéoles	Présence de bractéoles de part et d'autre du fruit
Forme des feuilles dans l'eau	Deux types de feuilles

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)

Callitriche à angles obtus Callitriche obtusangula

Critères (➡️)

Carte des observations

Callitriche à angles obtus
Callitriche obtusangula