Comparaison

Photos

Nigella arvensis
© GH
Critères
Critère
Nigelle des champs
Nigella arvensis
Période floraison ou sporulation
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  • F
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  • A
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  • A
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  • O
  • N
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Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 10 - 30 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Couleur dominante des pièces pétaloides Bleue
Dimension de la fleur en mm 2 à 5 cm
25
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige anguleuse
+ de 4 angles
Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Feuilles découpées ou composées
Fréquence Extrêmement rare (RRR)
Habitat Champ cultivé, vigne
Hauteur maxi de la plante en cm 11 à 30 cm
30
Hauteur mini de la plante en cm 10
Nombre d'étamines >10
Nombre de pétales ou de tépales 5
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille plus ou moins découpée
Pennée et plus profondément découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleur solitaire
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)
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Forme du réceptacle fructifère Réceptacle plat ou simplement bombé
Types de nectaires Petites coupes verdâtres ou zébrées
Aspect des tépales Bleu clair veinés de vert
Particularité du fruit Formé de 5 à 8 follicules soudés
Carte des observations
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