Comparaison

Photos

Ulex minor

© GA
Critères
Critère
Ajonc nain
Ulex minor
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 30 - 80 cm
Caractère particulier
Présence de stipules ou d'ochréas
Tige ou feuilles munies d'épines
Nombre de pétales ou de tépales
5
Nombre d'étamines
10
Couleur dominante des pièces pétaloides
Jaune
Habitat
Prairie, pelouse
Terrain sec
Port de la plante
Arbuste
Position de l'ovaire
Supère
Détail des feuilles
Feuille réduite remplacée par des épines
Détail du fruit
Gousse plus ou moins déhiscente (2 valves)
Forme des stipules
Absentes
Remplacées par des épines
Type de corolle
Corolle papilionacée
Disposition des étamines
10 étamines soudées en tube
Agressivité de la plante
Épines peu indurées, peu vulnérantes
Largeur des bractéoles
Inférieure à 1,5 mm de large
Nombre de sépales
Sépales soudés en 2 valves
Type de plante
Plante ligneuse
  • Arbuste
Type biologique
Plante terrestre
  • Plante ligneuse
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur > 10
  • Linéaire
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales soudés
Dimension de la fleur en mm
Moins de 1 cm
  • 9
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Type de fruit
Sec déhiscent
  • À 2 valves sans cloison centrale (gousse)
Forme de la tige ou de la hampe florale
Tige anguleuse
  • + de 4 angles
Carte des observations
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