Comparaison

Photos

Eriophorum angustifolium
© GA
Critères
Critère
Linaigrette à feuilles étroites
Eriophorum angustifolium
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 40 - 60 cm
Habitat
Zone humide, tourbière, rives
Port de la plante
Tige dressée
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Blanche
Nombre de pétales ou de tépales
Aucun pétale
Position de l'ovaire
Supère
Aspect de la semence
Akène libre
Détail de l'inflorescence
Terminale en ombelle simple ou composée
Disposition des feuilles sur les rejets
Feuilles disposées sur 3 rangs
Particularité des fleurs
Plante à fleurs hermaphrodites
Périgone et semence
Formé de soies très longues > 1 cm
Nombre de stigmates
3
Forme du limbe de la dernière feuille
Plan à sa base à pointe trigone allongée
Nervation des écailles
Écailles à une seule nervure
Pilosité des pédoncules
Pédoncules lisses
Nombre d'étamines
3
Type de plante
Plante herbacée à fleurs
  • À feuilles linéaires et longues gaines
Type biologique
Plante terrestre
  • Plante vivace souterraine
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
Autre
  • Autre (Voir aide)
Dimension de la fleur en mm
Plante à fleurs nues
  • Pièces florales absentes ou transformées en soies
Type d'inflorescence
Fleurs regroupées
  • Epi ou épi composé
Type de fruit
Sec indéhiscent
  • Akène avec appendices plumeux
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Ecailles des épis (Bractées florales)
Disposition en hélice
  • à 2 stériles à la base
Carte des observations
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