Comparaison

Photos

Scorzonera humilis

© GA
Critères
Critère
Scorsonère des prés
Scorzonera humilis
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 10 - 30 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Caractère particulier Tige contenant un suc laiteux
Couleur dominante des pièces pétaloides Jaune
Dimension de la fleur en mm 2 à 5 cm
25
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur 2-5
Lancéolée
Rapport longueur / largeur 5-10
Linéaire lancéolée
Fréquence Très rare (RR)
Habitat Prairie, pelouse
Forêt, haie, lisière, chemin forestier (laie)
Hauteur maxi de la plante en cm 11 à 30 cm
30
Hauteur mini de la plante en cm 10
Nombre d'étamines 5
Nombre de pétales ou de tépales Capitule
Port de la plante Tige dressée
Position de l'ovaire Infère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Capitule
Type de fleur Symétrie bilatérale
Pétales ou tépales soudés
Autre
Autre (Voir aide)
Type de fruit Sec indéhiscent
Akène avec appendices plumeux
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Composition du capitule Fleurs en forme de languette uniquement
Languette terminée par 5 dents
Couleur du capitule À une seule couleur
Disposition des capitules Capitule solitaire
Autres disposition des capitules
Position des épines Plante ne possédant pas d'épine
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
Carte des observations
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