Comparaison

Sélection

Elatine hexandra

Élatine à six étamines

Photos

Photos épinglées

Elatine hexandra
Forme exondée
6
Critères
Critère 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
Nombre de pétales ou de tépales
3
Habitat
Zone humide, tourbière, rives
Lac, étang, rivière
Nombre d'étamines
6
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
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
  • Plante aquatique
Type biologique
Plante terrestre
  • Plante annuelle
Disposition des feuilles
Tige aérienne avec feuilles
  • Opposées
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 d'inflorescence
Fleur solitaire
  • Fleur solitaire
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
Couleur dominante des pièces pétaloides
Blanche
Rose, lilas
Port de la plante
Rampante
Flottante ou submergée
Position de l'ovaire
Supère
Caractère particulier
Présence de stipules ou d'ochréas
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 5 mm
  • 2
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Phénologie
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Carte des observations
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