Comparaison

Photos

Teucrium scordium

Critères

Critère	Germandrée des marais Teucrium scordium
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	15 - 30 cm
Bord des limbes	Echancrures < 20% du limbe Crénelé
Caractère particulier	Plante à odeur désagréable
Couleur dominante des pièces pétaloides	Rose, lilas
Dimension de la fleur en mm	Moins de 1 cm 8
Disposition des feuilles	Tige aérienne avec feuilles Opposées
Forme de la tige ou de la hampe florale	Tige anguleuse Quadrangulaire + de 4 angles
Forme des feuilles indivises	Rapport longueur / largeur 1-2 Ovale, oblongue ou obovale
Fréquence	Très rare (RR)
Habitat	Zone humide, tourbière, rives
Hauteur maxi de la plante en cm	11 à 30 cm 30
Hauteur mini de la plante en cm	15
Nombre d'étamines	4
Nombre de pétales ou de tépales	Corolle à 2 lèvres
Port de la plante	Tige dressée
Position de l'ovaire	Supère
Structure de la feuille	Feuille non découpée Simple, non découpée
Type biologique	Plante terrestre Plante vivace en surface
Type d'inflorescence	Fleurs regroupées En verticilles ou glomérules
Type de fleur	Symétrie bilatérale Pétales ou tépales soudés
Type de fruit	Sec indéhiscent Akène simple
Type de plante	Plante herbacée à fleurs Autre plante herbacée à fleur
Disposition des feuilles et bractées	Toutes opposées sur l'ensemble de la plante
Disposition des étamines	Saillantes et parallèles
Disposition et nombre de fleurs par noeud	Inflorescence condensée en verticille Verticille de 2 à 6 fleurs
Forme de la corolle	Pétales très inégaux, lèvre supérieure absente 5 pétales inférieurs développés
Forme du calice	Calice à segments ± égaux Calice à 4 ou 5 dents
Lèvre supérieure de la corolle	Inexistante ou très courte
Nervation du calice	5 ou 10 nervures principales, nettes
Type de fruits	4 akènes en croix
Pétiole des feuilles inférieures	Feuilles sessiles

Carte des observations

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