Comparaison

Photos

Juncus tenageia
© ES
Critères
Critère
Jonc des vasières
Juncus tenageia
Période floraison ou sporulation
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  • F
  • M
  • A
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  • J
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  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 3 - 15 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Brunâtre
Verdâtre
Dimension de la fleur en mm Moins de 1 cm
5
Disposition des feuilles Tige aérienne avec feuilles
Alternes
Forme de la tige ou de la hampe florale Tige cylindrique
Lisse ou finement striée
Forme des feuilles indivises Rapport longueur / largeur > 10
Linéaire
Fréquence Très rare (RR)
Habitat Zone humide, tourbière, rives
Prairie, pelouse
Hauteur maxi de la plante en cm 11 à 30 cm
15
Hauteur mini de la plante en cm 3
Nombre d'étamines 6
Nombre de pétales ou de tépales 6
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante annuelle
Type d'inflorescence Fleurs regroupées
Grappe ou grappe composée
Cyme ou cyme composée
Type de fleur Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec déhiscent
À autre mode d'ouverture (capsule)
Type de plante Plante herbacée à fleurs
À feuilles linéaires et longues gaines
Caractéristique de la fleur Formée de 6 tépales scarieux (rigides) brunâtres
Nombre de graines par fruit Nombreuses graines minuscules
Pilosité des feuilles Glabres
Type de feuilles sur les tiges fleuries Feuilles à limbe plan < 2,5 mm de large
Aspect des hampes (ressemblant à des tiges) Tige feuillée
Feuilles bien développées avec gaine et limbe
Forme des tépales Internes obtus, les externes aigus
Nombre de bractéoles à la base de la fleur Involucre de 2 à 3 bractéoles
Port de la plante Tige ou hampe droite à inflorescence fasciculée
Tige droite à inflorescence divariquée
Sommet de la capsule Arrondi
Type d'inflorescence Panicule de fleurs souvent isolées
Type de feuilles Planes et non cloisonnées
Carte des observations
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