Comparaison

Photos

Luzula congesta
© GA
Critères
Critère
Luzule à inflorescences denses
Luzula congesta
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 15 - 40 cm
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Couleur dominante des pièces pétaloides
Brunâtre
Verdâtre
Habitat
Forêt, haie, lisière, chemin forestier (laie)
Nombre de pétales ou de tépales
6
Nombre d'étamines
6
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Caractéristique de la fleur
Formée de 6 tépales scarieux (rigides) brunâtres
Nombre de graines par fruit
3 grosses graines
Pilosité des feuilles
Munies de longs poils à la base des limbes
Type de feuilles sur les tiges fleuries
Feuilles à limbe plan > 2,5 mm de large
Détail des étamines
Rapport anthère / filet < 3
Forme de l'inflorescence
Tête dense de 3 à 8 glomérules
Largeur des feuilles
Moins de 5 mm de large
Taille de la graine (sans la partie charnue)
> 1,2 mm
Type de plante
Plante herbacée à fleurs
  • À feuilles linéaires et longues gaines
Type biologique
Plante terrestre
  • Plante vivace en surface
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 radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 1 cm
  • 7
Type d'inflorescence
Fleurs regroupées
  • Cyme ou cyme composée
  • Ombelle
  • Grappe ou grappe composée
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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