Comparaison

Photos

Elatine hexandra

Forme exondée © GA

Critères

Critère	Élatine à six étamines Elatine hexandra
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Extrêmement rare (RRR)
Hauteur mini-maxi	2 - 15 cm
Caractère particulier	Présence de stipules ou d'ochréas
Type de fruit	Capsule à 3 ou 4 valves
Longeur du pétiole de la feuille	Pétiole très inférieur au limbe de la feuille
Longueur du pédicelle des fleurs	Pédicelle allongé, 2-5 mm
Couleur dominante des pièces pétaloides	Blanche Rose, lilas
Habitat	Zone humide, tourbière, rives Lac, étang, rivière
Nombre de pétales ou de tépales	3
Nombre d'étamines	6
Port de la plante	Rampante Flottante ou submergée
Position de l'ovaire	Supère
Type de plante	Plante herbacée à fleurs Plante aquatique Autre plante herbacée à fleur
Type biologique	Plante terrestre Plante annuelle
Disposition des feuilles	Tige aérienne avec feuilles Opposées
Structure de la feuille	Feuille non découpée Simple, non découpée
Forme des feuilles indivises	Rapport longueur / largeur 2-5 Ovale lancéolée ou oblancéolée
Bord des limbes	Echancrures < 20% du limbe Entier à marge lisse ou scabre
Type de fleur	Symétrie radiale Pétales ou tépales libres
Dimension de la fleur en mm	Moins de 5 mm 2
Type d'inflorescence	Fleur solitaire Fleur solitaire
Type de fruit	Sec déhiscent À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale	Tige cylindrique Lisse ou finement striée
Taille des graines	Droites ou peu recourbées Longueur : 0,6 mm

Carte des observations

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