Comparaison

Photos

Centaurea stoebe
© GA
Critères
Critère
Centaurée maculée rhénane
Centaurea stoebe
Période floraison ou sporulation
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  • A
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  • O
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Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 40 - 120 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Echancrures >20% du limbe
Lobé ou découpé
Couleur dominante des pièces pétaloides Rose, lilas
Dimension de la fleur en mm 1 à 2 cm
20
Disposition des feuilles Absence de tige aérienne
Feuilles en rosette entourant une hampe florale
Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige anguleuse
+ de 4 angles
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Extrêmement rare (RRR)
Habitat Terrain vague, chemin
Prairie, pelouse
Hauteur maxi de la plante en cm 1 à 2 mètres
120
Hauteur mini de la plante en cm 40
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
Feuille plus ou moins découpée
Pennée et plus profondément découpée
Type biologique Plante terrestre
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Capitule
Type de fleur Symétrie radiale
Pétales ou tépales soudés
Symétrie bilatérale
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 tube uniquement
Le tube se termine par 5 pétales allongés
Couleur du capitule À une seule couleur
Disposition des capitules Autres disposition des capitules
Position des épines Plante ne possédant pas d'épine
Présence d'écailles sur le capitule Fleur placée à l'aisselle d'une écaille
Présence de lait dans la plante Absence de lait
Type d'akène Pappus formé d'une couronne écailleuse
Détail de l'appendice des bractées Décurrents sur l'écaille à sommet très pectiné
Forme des bractées internes Avec un appendice terminal bien différencié
Organisation du capitule Fleurs périphériques nettement plus grandes
Carte des observations
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