Comparaison

Photos

Dysphania ambrosioides
© GA
Critères
Critère
Chénopode fausse-ambroisie
Dysphania ambrosioides
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 40 - 80 cm
Couleur dominante des pièces pétaloides
Verdâtre
Nombre de pétales ou de tépales
5
Bractées de la fleur
Pas de bractée
Pilosité
Poils glanduleux très odorants
Face inférieure des feuilles
Présence de glandes enchassées dans l'épiderme
Pilosité des tépales
Tépales glabres
Habitat
Zone humide, tourbière, rives
Terrain vague, chemin
Caractère particulier
Plante nettement parfumée ou aromatique
Port de la plante
Tige dressée
Tépales
En général 5 tépales
Type de fruit
Akène non ailé enveloppé dans des pièces florales
Nombre d'étamines
5
Position de l'ovaire
Supère
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante annuelle
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Crénelé
  • Denté
  • Sinué
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 5 mm
  • 2
Type d'inflorescence
Fleurs regroupées
  • En verticilles ou glomérules
Type de fruit
Sec indéhiscent
  • Akène simple
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
  • Nettement sillonnée
Carte des observations
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