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)

Élatine fausse alsine
Elatine alsinastrum

Critères (➡️)

Critère	Élatine fausse alsine Elatine alsinastrum
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Extrêmement rare (RRR)
Hauteur mini-maxi de la plante	5 - 80 cm
Type de plante	Autre plante herbacée à fleur Plante aquatique
Port de la plante	Rampante Flottante ou submergée
Habitat	Lac, étang, rivière Zone humide, tourbière, rives
Type biologique	Plante annuelle
Disposition des feuilles	Verticillées
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Linéaire Ovale lancéolée ou oblancéolée
Bord des limbes	Entier à marge lisse ou scabre
Type de fleur	Pétales ou tépales libres
Dimension de la fleur en mm	2
Position de l'ovaire	Supère
Couleur dominante des pièces pétaloides	Verdâtre Blanche
Nombre de pétales ou de tépales	4
Type d'inflorescence	En verticilles ou glomérules
Nombre d'étamines	8 ou 9
Type de fruit	À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Caractère particulier	Présence de stipules ou d'ochréas
Type de fruit	Capsule à 3 ou 4 valves
Taille des graines	Longueur : 0,7 mm
Longeur du pétiole de la feuille	Feuille sessile (pétiole absent)
Longueur du pédicelle des fleurs	Fleur sessile (sans pédicelle)

Carte des observations

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"Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1999.0, "geojson_maille": {"coordinates": [[[[2.211436504, 48.72951968], [2.211707955, 48.711532008], [2.184527371, 48.711349331], [2.184246562, 48.729336944], [2.211436504, 48.72951968]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 5, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 2016.0, "geojson_maille": {"coordinates": [[[[2.375654861, 48.640543322], [2.375869417, 48.622553965], [2.34873451, 48.622408679], [2.348510626, 48.640397989], [2.375654861, 48.640543322]]]], "type": "MultiPolygon"}, "last_year": 2023.0, "observation_number": 2, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 2021.0, "geojson_maille": {"coordinates": [[[[2.402799243, 48.640682471], [2.403004472, 48.622693068], [2.375869417, 48.622553965], [2.375654861, 48.640543322], [2.402799243, 48.640682471]]]], "type": "MultiPolygon"}, "last_year": 2021.0, "observation_number": 1, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 2018.0, "geojson_maille": {"coordinates": [[[[2.458020014, 48.550992116], [2.458205949, 48.533001307], [2.431117161, 48.532874776], [2.430921931, 48.550865543], [2.458020014, 48.550992116]]]], "type": "MultiPolygon"}, "last_year": 2018.0, "observation_number": 1, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1995.0, "geojson_maille": {"coordinates": [[[[2.458205949, 48.533001307], [2.458391756, 48.515010239], [2.431312257, 48.51488375], [2.431117161, 48.532874776], [2.458205949, 48.533001307]]]], "type": "MultiPolygon"}, "last_year": 2018.0, "observation_number": 5, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1994.0, "geojson_maille": {"coordinates": [[[[2.483878352, 48.677041059], [2.484055842, 48.659052072], [2.456901722, 48.658931436], [2.456714891, 48.676920383], [2.483878352, 48.677041059]]]], "type": "MultiPolygon"}, "last_year": 2017.0, "observation_number": 3, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 2018.0, "geojson_maille": {"coordinates": [[[[2.485118225, 48.551112515], [2.485294864, 48.533121666], [2.458205949, 48.533001307], [2.458020014, 48.550992116], [2.485118225, 48.551112515]]]], "type": "MultiPolygon"}, "last_year": 2020.0, "observation_number": 8, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 2000.0, "geojson_maille": {"coordinates": [[[[2.485294864, 48.533121666], [2.485471381, 48.515130559], [2.458391756, 48.515010239], [2.458205949, 48.533001307], [2.485294864, 48.533121666]]]], "type": "MultiPolygon"}, "last_year": 2018.0, "observation_number": 6, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1994.0, "geojson_maille": {"coordinates": [[[[2.511041936, 48.677155547], [2.511210085, 48.659166523], [2.484055842, 48.659052072], [2.483878352, 48.677041059], [2.511041936, 48.677155547]]]], "type": "MultiPolygon"}, "last_year": 1994.0, "observation_number": 1, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1997.0, "geojson_maille": {"coordinates": [[[[2.621001175, 48.497648075], [2.621131065, 48.479656289], [2.594069459, 48.479566879], [2.593930292, 48.497558635], [2.621001175, 48.497648075]]]], "type": "MultiPolygon"}, "last_year": 2024.0, "observation_number": 17, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1997.0, "geojson_maille": {"coordinates": [[[[2.621131065, 48.479656289], [2.621260866, 48.46166425], [2.594208531, 48.461574869], [2.594069459, 48.479566879], [2.621131065, 48.479656289]]]], "type": "MultiPolygon"}, "last_year": 2024.0, "observation_number": 14, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1727.0, "geojson_maille": {"coordinates": [[[[2.648554101, 48.425762582], [2.648674384, 48.407769767], [2.621649735, 48.407686632], [2.621520201, 48.425679419], [2.648554101, 48.425762582]]]], "type": "MultiPolygon"}, "last_year": 1922.0, "observation_number": 3, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1727.0, "geojson_maille": {"coordinates": [[[[2.648674384, 48.407769767], [2.648794583, 48.389776706], [2.621779181, 48.389693599], [2.621649735, 48.407686632], [2.648674384, 48.407769767]]]], "type": "MultiPolygon"}, "last_year": 1922.0, "observation_number": 3, "scientific_name": "Elatine alsinastrum"}, {"cd_nom": 95847, "first_year": 1936.0, "geojson_maille": {"coordinates": [[[[2.729933659, 48.371995719], [2.730025995, 48.354002103], [2.703028837, 48.353937506], [2.702927268, 48.371931101], [2.729933659, 48.371995719]]]], "type": "MultiPolygon"}, "last_year": 1936.0, "observation_number": 1, "scientific_name": "Elatine alsinastrum"}]

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)

Élatine fausse alsine Elatine alsinastrum

Critères (➡️)

Carte des observations

Élatine fausse alsine
Elatine alsinastrum