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Crepis vesicaria

Crépis à vésicules

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Crepis vesicaria
Individu
5
Critères
Critère Crepis vesicaria
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Assez commune (AC)
Hauteur mini-maxi 20 - 70 cm
Habitat
Prairie, pelouse
Terrain vague, chemin
Terrain sec
Nombre d'étamines
5
Caractère particulier
Tige contenant un suc laiteux
Disposition des capitules
Autres disposition des capitules
Position des épines
Plante ne possédant pas d'épine
Aspect de l'aigrette surmontant le fruit
Aigrette à soies blanches et souples
Couleur de la face supérieure des feuilles
Feuilles verte sans tâches
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
Présence de lait à la cassure de parties jeunes
Face supérieure des jeunes feuilles
Velue non glanduleuse
Nombre de feuilles caulinaires développées
Deux à huit
Plus de huit
Face interne des bractées de l'involucre
Couverte de poils appliqués
Forme des feuilles caulinaires
Embrassante à leur base
Disposition des bractées de l'involucre
Sur 2 rangs, les internes égales
Sommet du corps des akènes centraux
Atténué en long bec
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante annuelle
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Absence de tige aérienne
  • Feuilles en rosette entourant une hampe florale
Bord des limbes
Echancrures < 20% du limbe
  • Denté
  • Sinué
Echancrures >20% du limbe
  • Lobé ou découpé
Type d'inflorescence
Fleurs regroupées
  • Capitule
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Nettement sillonnée
Composition du capitule
Fleurs en forme de languette uniquement
  • Languette terminée par 5 dents
Dimension de la fleur en mm
1 à 2 cm
  • 12
Couleur dominante des pièces pétaloides
Jaune
Port de la plante
Tige dressée
Position de l'ovaire
Infère
Nombre de pétales ou de tépales
Capitule
Type d'akène
Pappus formé d'une aigrette sessile
Poils de l'involucre
Autre type de pilosité
Face inférieure des feuilles (sauf nervure)
Autre type de pilosité
Structure de la feuille
Feuille plus ou moins découpée
  • Pennée et lobée
  • Pennée et plus profondément découpée
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Type de fleur
Symétrie bilatérale
  • 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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