Comparaison

Photos

Hieracium murorum

© GA
Critères
Critère
Épervière des murs
Hieracium murorum
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Assez rare (AR)
Hauteur mini-maxi 20 - 40 cm
Couleur dominante des pièces pétaloides
Jaune
Nombre de pétales ou de tépales
Capitule
Port de la plante
Tige dressée
Caractère particulier
Tige contenant un suc laiteux
Habitat
Forêt, haie, lisière, chemin forestier (laie)
Nombre d'étamines
5
Position de l'ovaire
Infère
Disposition des capitules
Autres disposition des capitules
Position des épines
Plante ne possédant pas d'épine
Aspect de l'aigrette surmontant le fruit
Aigrette à soies blanc brunâtre et rudes
Couleur de la face supérieure des feuilles
Feuilles verte sans tâches
Couleur du capitule
À une seule couleur
Présence d'écailles sur le capitule
Réceptacle nu ou pubescent entre les fleurs
Présence de lait dans la plante
Présence de lait à la cassure de parties jeunes
Type d'akène
Pappus formé d'une aigrette sessile
Face inférieure des feuilles (sauf nervure)
Autre type de pilosité
Face supérieure des jeunes feuilles
Glabre ou poils < 2mm, très espacés non glanduleux
Velue non glanduleuse
Poils de l'involucre
Noirs, glanduleux, denses (teinte sombre)
Nombre de feuilles caulinaires développées
Zéro ou une
Face interne des bractées de l'involucre
Glabre
Disposition des bractées de l'involucre
Sur plusieurs rangs appliquées jusqu'au sommet
Forme des feuilles caulinaires
En coin à leur base
Sommet du corps des akènes centraux
Brusquement tronqué au sommet
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
  • Alternes
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur 1-2
  • Ovale, oblongue ou obovale
  • Cordée
Rapport longueur / largeur 2-5
  • Lancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Denté
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales soudés
Autre
  • Autre (Voir aide)
Dimension de la fleur en mm
2 à 5 cm
  • 25
Type d'inflorescence
Fleurs regroupées
  • Capitule
Type de fruit
Sec indéhiscent
  • Akène avec appendices plumeux
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Composition du capitule
Fleurs en forme de languette uniquement
  • Languette terminée par 5 dents
Carte des observations
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