Comparaison

Photos

Carthamus lanatus
© GA
Critères
Critère
Centaurée laineuse
Carthamus lanatus
Période floraison ou sporulation
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  • A
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  • O
  • N
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Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 20 - 60 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Caractère particulier Tige ou feuilles munies d'épines
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
Nettement sillonnée
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Extrêmement rare (RRR)
Habitat Terrain sec
Terrain vague, chemin
Hauteur maxi de la plante en cm 31 à 60 cm
60
Hauteur mini de la plante en cm 20
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 plus ou moins découpée
Pennée et plus profondément découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleurs regroupées
Capitule
Type de fleur 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 Sur les feuilles et éventuellement le capitule
Présence d'écailles sur le capitule Réceptacle nu ou pubescent entre les fleurs
Présence de lait dans la plante Absence de lait
Type d'akène Pappus formé d'une couronne écailleuse
Pappus formé d'une aigrette sessile
Bractées du réceptacle, entre les fleurs Réceptacle portant de longues soies
Forme des bractées de l'involucre Les externes semblables à des feuilles
Forme du pappus surmontant l'akène Écailles linéaires rigides
Forme et taille du capitule Ovoïde de 1,5 à 3 cm de diamètre
Nombre et organisation des capitules Nombreux non agglomérés au sommet
Particularité du corps de l'akène À 4 angles marqués
Pilosité des faces des feuilles Dessus vert non épineux, dessous aranéux
Carte des observations
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