Comparaison

Sélection

Cirsium dissectum

Cirse des prairies

Photos

Photos épinglées

Cirsium dissectum
Individu
4
Critères
Critère Cirsium dissectum
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 30 - 70 cm
Habitat
Zone humide, tourbière, rives
Terrain vague, chemin
Nombre d'étamines
5
Disposition des capitules
Capitule solitaire
Autres disposition des capitules
Position des épines
Sur les feuilles et éventuellement le capitule
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
Absence de lait
Forme du pappus surmontant l'akène
Soies simples soudées en anneau à leur base
Bractées du réceptacle, entre les fleurs
Réceptacle portant de longues soies
Forme des bractées de l'involucre
Appliquées ou peu étalées à pointe courte
Particularité du corps de l'akène
Lisse non poisseux
Forme et taille du capitule
Ovoïde de 1,5 à 3 cm de diamètre
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
Forme des feuilles indivises
Rapport longueur / largeur 2-5
  • Lancéolée
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Bord des limbes
Echancrures < 20% du limbe
  • Denté
Type d'inflorescence
Fleurs regroupées
  • Capitule
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Composition du capitule
Fleurs en tube uniquement
  • Le tube se termine par 5 dents courtes
  • Le tube se termine par 5 pétales allongés
Pilosité des faces des feuilles
Dessus vert non épineux, dessous aranéux
Nombre et organisation des capitules
En général seul
Dimension de la fleur en mm
2 à 5 cm
  • 30
Couleur dominante des pièces pétaloides
Rouge, pourpre
Port de la plante
Tige dressée
Position de l'ovaire
Infère
Caractère particulier
Tige ou feuilles munies d'épines
Nombre de pétales ou de tépales
Capitule
Type d'akène
Pappus formé d'une aigrette sessile
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Feuille plus ou moins découpée
  • Pennée et lobée
Type de fleur
Symétrie radiale
  • Pétales ou tépales soudés
Autre
  • Autre (Voir aide)
Type de fruit
Sec indéhiscent
  • Akène avec appendices plumeux
Phénologie
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Carte des observations
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