Comparaison

Photos

Apera interrupta
© GH
Critères
Critère
Agrostis interrompu
Apera interrupta
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 15 - 60 cm
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Habitat
Terrain sec
Nombre de pétales ou de tépales
Aucun pétale
Nombre d'étamines
3
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Inflorescence primaire
Epillet
Pilosité des feuilles inférieures
Glabres
Position de l'arête des lemmes
Terminale courte (< 10 cm)
Largeur moyenne des feuilles inférieures
1 - 2 mm
2 - 4 mm
Présence d'oreillettes
Pas d'oreillettes
Structure de l'inflorescence générale
Panicule diffuse
Taille de l'épillet
< 3 mm
Taille de la glume supérieure
Dépassant nettement les fleurons
Type de ligule
Membraneuse glabre ou courtement ciliée
Détail de l'épillet
Arête presque terminale droite > 4 mm
Forme de l'inflorescence
Panicule contractée restant étroite à maturité
Taille des étamines
Anthères < 0,5 mm
Type de plante
Plante herbacée à fleurs
  • À feuilles linéaires et longues gaines
Type biologique
Plante terrestre
  • Plante annuelle
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
  • Caryopse
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Structure de l'épillet
Un seul fleuron fertile
  • Sans autres pièces
Structure de la semence
1 seul fleuron
  • Fleuron muni d'une baguette
Carte des observations
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