Comparaison

Sélection

Polycarpon tetraphyllum

Polycarpon à quatre feuilles

Photos

Photos épinglées

Polycarpon tetraphyllum
Individu
4
Critères
Critère Polycarpon tetraphyllum
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 1 - 15 cm
Nombre de pétales ou de tépales
5
Habitat
Terrain vague, chemin
Nombre d'étamines
3
Calice
Calice à sépales libres ou soudés seul. à la base
Détail des pétales
Pétales entiers
Détail de la corolle
Pas de coronule
Base du calice
Pas de calicule
Nombre de styles
1 à 3 styles très courts
1 style allongé terminé par 3 stigmates
Détail du type de fruit
Capsule à 3 valves
Disposition des feuilles
2 grandes opposées et 2 petites axillaires
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
  • Opposées
  • Verticillées
Forme des feuilles indivises
Rapport longueur / largeur 1-2
  • Ovale, oblongue ou obovale
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type d'inflorescence
Fleurs regroupées
  • Cyme ou cyme composée
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Couleur dominante des pièces pétaloides
Blanche
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Caractère particulier
Présence de stipules ou d'ochréas
Présence de stipules
Présence de stipules au niveau des noeuds
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 5 mm
  • 2
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Phénologie
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Carte des observations
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