Comparaison

Photos

Carduus acanthoides

Pas de photo pour cette espèce
Pas de photo pour cette espèce © A
Critères
Critère
Chardon faux-acanthe
Carduus acanthoides
Période floraison ou sporulation
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Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 30 - 120 cm
Bord des limbes Echancrures < 20% du limbe
Denté
Caractère particulier Tige ou feuilles munies d'épines
Couleur dominante des pièces pétaloides Rouge, pourpre
Dimension de la fleur en mm 1 à 2 cm
20
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige ailée
Ailée
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Extrêmement rare (RRR)
Habitat Terrain vague, chemin
Champ cultivé, vigne
Hauteur maxi de la plante en cm 1 à 2 mètres
120
Hauteur mini de la plante en cm 30
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
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Capitule
Type de fleur Symétrie radiale
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 tube uniquement
Le tube se termine par 5 dents courtes
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 toute la tige et le bord des feuilles
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 aigrette sessile
Bractées du réceptacle, entre les fleurs Réceptacle portant de longues soies
Forme des bractées de l'involucre Etalées à pointe longue
Forme du pappus surmontant l'akène Soies plumeuses soudées en anneau à leur base
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 Lisse non poisseux
Pilosité des faces des feuilles Velu sur les 2 faces, sans poils aranéeux dessous
Carte des observations
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