Comparaison

Photos

Sagittaria sagittifolia

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Critères
Critère
Sagittaire à feuilles en cœur
Sagittaria sagittifolia
Période floraison ou sporulation
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Rareté Rare (R)
Hauteur mini-maxi 40 - 100 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Blanche
Dimension de la fleur en mm 1 à 2 cm
20
Disposition des feuilles Absence de tige aérienne
Feuilles en rosette entourant une hampe florale
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur 2-5
Anguleuse, triangulaire, sagittée
Rapport longueur / largeur > 10
Linéaire
Fréquence Rare (R)
Habitat Lac, étang, rivière
Zone humide, tourbière, rives
Hauteur maxi de la plante en cm 61 cm à 1 mètre
100
Hauteur mini de la plante en cm 40
Nombre d'étamines >10
Nombre de pétales ou de tépales 3
Port de la plante Tige dressée
Flottante ou submergée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante aquatique
Dépassant la surface
Plante terrestre
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Grappe ou grappe composée
Ombelle
En verticilles ou glomérules
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Plante aquatique
Disposition des fruits Fruits disposés en tête sphérique
Détail des feuilles flottantes ou émergées Sagittées à 3 lobes aigus
Carte des observations
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