Comparaison

Sélection

Nigella arvensis

Nigelle des champs

Photos

Photos épinglées

Nigella arvensis
Individu
4
Critères
Critère Nigella arvensis
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 10 - 30 cm
Nombre de pétales ou de tépales
5
Nombre d'étamines
>10
Habitat
Champ cultivé, vigne
Aspect des tépales
Bleu clair veinés de vert
Forme du réceptacle fructifère
Réceptacle plat ou simplement bombé
Particularité du fruit
Formé de 5 à 8 follicules soudés
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
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type d'inflorescence
Fleur solitaire
  • Fleur solitaire
Forme de la tige ou de la hampe florale
Tige anguleuse
  • + de 4 angles
Tige cylindrique
  • Lisse ou finement striée
Dimension de la fleur en mm
2 à 5 cm
  • 25
Couleur dominante des pièces pétaloides
Bleue
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Types de nectaires
Petites coupes verdâtres ou zébrées
Structure de la feuille
Feuille plus ou moins découpée
  • Pennée et plus profondément découpée
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Type de fruit
Sec déhiscent
  • Avec une fente ventrale (follicule)
  • À autre mode d'ouverture (capsule)
Phénologie
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Carte des observations
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