Comparaison

Photos

Scorzonera humilis

© GA
Critères
Critère
Scorsonère des prés
Scorzonera humilis
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 10 - 30 cm
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
Rapport longueur / largeur 5-10
  • Linéaire lancéolée
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
Prairie, pelouse
Forêt, haie, lisière, chemin forestier (laie)
Nombre d'étamines
5
Position de l'ovaire
Infère
Disposition des capitules
Capitule solitaire
Autres disposition des capitules
Position des épines
Plante ne possédant pas d'épine
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
Bractées de l'involucre
Bractées de tailles variables
Coloration de l'aigrette des akènes
Aigrette blanc sale, jaunâtre
Ornementation des akènes périphériques
Akène presque lisse
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
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
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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