Comparaison

Photos

Nepeta cataria
© GA
Critères
Critère
Herbe aux chats
Nepeta cataria
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Non renseignée
Hauteur mini-maxi 50 - 100 cm
Forme de la tige ou de la hampe florale
Tige anguleuse
  • Quadrangulaire
Couleur dominante des pièces pétaloides
Blanche
Nombre de pétales ou de tépales
Corolle à 2 lèvres
Port de la plante
Tige dressée
Caractère particulier
Plante nettement parfumée ou aromatique
Habitat
Terrain vague, chemin
Eboulis, rocher, terrain rocailleux
Nombre d'étamines
4
Position de l'ovaire
Supère
Lèvre supérieure de la corolle
Entière ou bilobée et ± dressée
Disposition des feuilles et bractées
Toutes opposées sur l'ensemble de la plante
Type de fruits
4 akènes en croix
Disposition des étamines
Saillantes et parallèles
Nervation du calice
Plus de 10 nervures principales, nettes
Pilosité de la plante
Grisâtre, couverte de poils courts et crépus
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante vivace en surface
Disposition des feuilles
Tige aérienne avec feuilles
  • Opposées
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur 1-2
  • Cordée
Rapport longueur / largeur 2-5
  • Ovale lancéolée ou oblancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Crénelé
  • Denté
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales soudés
Dimension de la fleur en mm
1 à 2 cm
  • 10
Type d'inflorescence
Fleurs regroupées
  • En verticilles ou glomérules
  • Epi ou épi composé
Type de fruit
Sec indéhiscent
  • Akène simple
Forme de la corolle
Pétales très inégaux, lèvre supérieure visible
  • 3 pétales inférieurs développés
Forme du calice
Calice à segments ± égaux
  • Calice à 4 ou 5 dents
Disposition et nombre de fleurs par noeud
Inflorescence condensée en verticille
  • Verticille à plus de 10 fleurs
Carte des observations
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