Comparaison

Photos

Hottonia palustris

Critères

Critère	Hottonie des marais Hottonia palustris
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	20 - 50 cm
Couleur dominante des pièces pétaloides	Blanche Rose, lilas
Nombre de pétales ou de tépales	5
Port de la plante	Tige dressée
Habitat	Lac, étang, rivière
Nombre d'étamines	5
Position de l'ovaire	Supère
Pilosité des feuilles	Glabres sur les deux faces
Forme de la corolle	En forme de coupe plus ou moins ouverte Pourvue d'un long tube terminé en trompette
Position des étamines	Chaque étamine placée face à un pétale
Inflorescence	Inflorescence composée de plusieurs verticilles
Type de plante	Plante herbacée à fleurs Plante aquatique
Type biologique	Plante aquatique Submergée Plante terrestre Plante vivace en surface
Disposition des feuilles	Tige aérienne avec feuilles Alternes Verticillées
Structure de la feuille	Feuille plus ou moins découpée Pennée et plus profondément découpée
Forme des feuilles indivises	Feuilles découpées ou composées Feuilles découpées ou composées
Bord des limbes	Echancrures >20% du limbe Lobé ou découpé
Type de fleur	Symétrie radiale Pétales ou tépales soudés
Dimension de la fleur en mm	1 à 2 cm 15
Type d'inflorescence	Fleurs regroupées En verticilles ou glomérules
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

Carte des observations

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