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)

Aulne blanchâtre
Alnus incana

Critères (➡️)

Critère	Aulne blanchâtre Alnus incana
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	None
Hauteur mini-maxi de la plante	2 - 20 m
Type de plante	Arbre
Port de la plante	Arbre
Habitat	Zone humide, tourbière, rives Forêt, haie, lisière, chemin forestier (laie)
Type biologique	Plante ligneuse
Disposition des feuilles	Alternes
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Ovale, oblongue ou obovale
Bord des limbes	Denté
Type de fleur	Autre (Voir aide)
Dimension de la fleur en mm	Pièces florales absentes ou transformées en soies
Position de l'ovaire	Infère Supère
Couleur dominante des pièces pétaloides	Pas de calice ni de corolle Verdâtre Brunâtre Jaune
Nombre de pétales ou de tépales	4 Aucun pétale
Type d'inflorescence	Cyme ou cyme composée Epi ou épi composé
Nombre d'étamines	4
Type de fruit	Akène simple
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Caractère particulier	Présence de stipules ou d'ochréas
Inflorescence détail	Inflorescence femelle en cône, persistant
Aspect du tronc	Lisse
Pilosité des feuilles	Feuille pubescente non glanduleuse
Sommet des feuilles	Feuillet à sommet en pointe ou acuminé
Détail du fruit	Cône sessile ou très faiblement pédonculé

Carte des observations

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{"cd_nom": 81570, "first_year": 1996.0, "geojson_maille": {"coordinates": [[[[2.02077401, 48.746097387], [2.021111197, 48.728110457], [1.993922744, 48.727884365], [1.993576194, 48.745871221], [2.02077401, 48.746097387]]]], "type": "MultiPolygon"}, "last_year": 1996.0, "observation_number": 1, "scientific_name": "Alnus incana"}, {"cd_nom": 81570, "first_year": 2022.0, "geojson_maille": {"coordinates": [[[[2.02447034, 48.548226105], [2.024804987, 48.530236205], [1.997719106, 48.530010929], [1.997375167, 48.548000755], [2.02447034, 48.548226105]]]], "type": "MultiPolygon"}, "last_year": 2022.0, "observation_number": 1, "scientific_name": "Alnus incana"}, {"cd_nom": 81570, "first_year": 2017.0, "geojson_maille": {"coordinates": [[[[2.126558823, 48.926796419], [2.126860629, 48.908812103], [2.099577353, 48.908610122], [2.099266118, 48.926594372], [2.126558823, 48.926796419]]]], "type": "MultiPolygon"}, "last_year": 2017.0, "observation_number": 1, "scientific_name": "Alnus incana"}, {"cd_nom": 81570, "first_year": 2024.0, "geojson_maille": {"coordinates": [[[[2.186487634, 48.585428385], [2.186766902, 48.567438607], [2.159661146, 48.567250234], [2.15937257, 48.585239951], [2.186487634, 48.585428385]]]], "type": "MultiPolygon"}, "last_year": 2024.0, "observation_number": 1, "scientific_name": "Alnus incana"}, {"cd_nom": 81570, "first_year": 2023.0, "geojson_maille": {"coordinates": [[[[2.211979219, 48.693544058], [2.212250296, 48.675555833], [2.185088409, 48.675373276], [2.184807987, 48.693361441], [2.211979219, 48.693544058]]]], "type": "MultiPolygon"}, "last_year": 2023.0, "observation_number": 1, "scientific_name": "Alnus incana"}, {"cd_nom": 81570, "first_year": 2024.0, "geojson_maille": {"coordinates": [[[[2.212521186, 48.657567334], [2.212791891, 48.639578564], [2.185648676, 48.639396127], [2.185368639, 48.657384838], [2.212521186, 48.657567334]]]], "type": "MultiPolygon"}, "last_year": 2024.0, "observation_number": 2, "scientific_name": "Alnus incana"}, 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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)

Aulne blanchâtre Alnus incana

Critères (➡️)

Carte des observations

Aulne blanchâtre
Alnus incana