Comparaison

Photos

Elatine hexandra

Forme exondée
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
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Blanche
Rose, lilas
Dimension de la fleur en mm Moins de 5 mm
2
Disposition des feuilles Tige aérienne avec feuilles
Opposées
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur 2-5
Ovale lancéolée ou oblancéolée
Fréquence Extrêmement rare (RRR)
Habitat Zone humide, tourbière, rives
Lac, étang, rivière
Hauteur maxi de la plante en cm 11 à 30 cm
15
Hauteur mini de la plante en cm 2
Nombre d'étamines 6
Nombre de pétales ou de tépales 3
Port de la plante Rampante
Flottante ou submergée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleur solitaire
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec déhiscent
À autre mode d'ouverture (capsule)
Type de plante Plante herbacée à fleurs
Plante aquatique
Autre plante herbacée à fleur
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
Taille des graines Droites ou peu recourbées
Longueur : 0,6 mm
Carte des observations
[{"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[1.80319852997947, 48.7441145925658], [1.80361061614327, 48.7261283142656], [1.77642425237309, 48.7258526782242], [1.77600280506351, 48.7438388658667], [1.80319852997947, 48.7441145925658]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2017.0, "geojson_maille": {"coordinates": [[[[1.83039453885058, 48.7443841245028], [1.83079726357543, 48.7263977575812], [1.80361061614327, 48.7261283142656], [1.80319852997947, 48.7441145925658], [1.83039453885058, 48.7443841245028]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 2, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[1.83079726357543, 48.7263977575812], [1.83119971107939, 48.7084111113077], [1.80402241864504, 48.70814175658], [1.80361061614327, 48.7261283142656], [1.83079726357543, 48.7263977575812]]]], "type": "MultiPolygon"}, "last_year": 2023.0, "observation_number": 2, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[1.85798418822842, 48.7266610080794], [1.85837728044845, 48.7086742752536], [1.83119971107939, 48.7084111113077], [1.83079726357543, 48.7263977575812], [1.85798418822842, 48.7266610080794]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[1.85837728044845, 48.7086742752536], [1.8587701021686, 48.6906872649437], [1.83160188164857, 48.6904241875174], [1.83119971107939, 48.7084111113077], [1.85837728044845, 48.7086742752536]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2019.0, "geojson_maille": {"coordinates": [[[[1.85994694711881, 48.6367245874522], [1.86033868962656, 48.6187364855461], [1.83320780028629, 48.6184737538713], [1.83280673460283, 48.6364617693885], [1.85994694711881, 48.6367245874522]]]], "type": "MultiPolygon"}, "last_year": 2019.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2016.0, "geojson_maille": {"coordinates": [[[[1.8851713836607, 48.726918065671], [1.88555512031732, 48.7089312483285], [1.85837728044845, 48.7086742752536], [1.85798418822842, 48.7266610080794], [1.8851713836607, 48.726918065671]]]], "type": "MultiPolygon"}, "last_year": 2016.0, "observation_number": 2, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[2.01976105388674, 48.8000564848591], [2.02009893869704, 48.7820704030389], [1.99288237673228, 48.781844088067], [1.99253510924604, 48.799830095437], [2.01976105388674, 48.8000564848591]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 3, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2008.0, "geojson_maille": {"coordinates": [[[[2.51438309120685, 48.3173255713288], [2.51454895078439, 48.2993314658256], [2.48758018528708, 48.2992177654023], [2.48740511204447, 48.3172118335479], [2.51438309120685, 48.3173255713288]]]], "type": "MultiPolygon"}, "last_year": 2008.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 1996.0, "geojson_maille": {"coordinates": [[[[2.56804421710566, 48.3535222400312], [2.56819185066924, 48.3355285410332], [2.54120443087045, 48.3354270654984], [2.54104757081403, 48.3534207311523], [2.56804421710566, 48.3535222400312]]]], "type": "MultiPolygon"}, "last_year": 2002.0, "observation_number": 6, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[2.64795145279228, 48.515722905572], [2.64807214778583, 48.4977313469478], [2.62100117545832, 48.4976480751844], [2.62087119664712, 48.5156396064342], [2.64795145279228, 48.515722905572]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}, {"cd_nom": 95858, "first_year": 2023.0, "geojson_maille": {"coordinates": [[[[2.64867438352758, 48.4077697669652], [2.64879458342429, 48.3897767063856], [2.62177918060502, 48.3896935986521], [2.62164973497166, 48.4076866319191], [2.64867438352758, 48.4077697669652]]]], "type": "MultiPolygon"}, "last_year": 2023.0, "observation_number": 1, "scientific_name": "Elatine hexandra"}]