Comparaison

Sélection

Bromopsis ramosa

Brome âpre

Photos

Photos épinglées

Bromopsis ramosa
Individu
6
Critères
Critère Bromopsis ramosa
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Assez commune (AC)
Hauteur mini-maxi 80 - 160 cm
Habitat
Forêt, haie, lisière, chemin forestier (laie)
Nombre d'étamines
3
Pilosité des feuilles inférieures
À pilosité homogène sur les faces
Largeur moyenne des feuilles inférieures
4 - 10 mm
10 - 20 mm
Taille de l'arête
Supérieure à 3 mm
Nervation des glumes
L'inférieure à 1 nervure, la supérieure à 3
Port de l'inflorescence
Épillets pendants sur de longs pédoncules
Type de plante
Plante herbacée à fleurs
  • À feuilles linéaires et longues gaines
Type biologique
Plante terrestre
  • Plante vivace en surface
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Forme des feuilles indivises
Rapport longueur / largeur > 10
  • Linéaire
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
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
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Structure de l'épillet
Certains épillets avec plus de 2 fleurons fertiles
  • 5 fleurons ou plus
Structure de la semence
1 seul fleuron
  • Fleuron muni d'une baguette
Nombre de pétales ou de tépales
Aucun pétale
Port de la plante
Tige dressée
Position de l'ovaire
Supère
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Inflorescence primaire
Epillet
Structure de l'inflorescence générale
Panicule diffuse
Position de l'arête des lemmes
Subterminale non coudée
Type de ligule
Membraneuse glabre ou courtement ciliée
Présence d'oreillettes
Oreillettes glabres
Taille de l'épillet
> 2 cm
Taille de la glume supérieure
Nettement dépassée par les fleurons
Structure de la feuille
Feuille non découpée
  • Simple, non découpée
Type de fleur
Autre
  • Autre (Voir aide)
Type de fruit
Sec indéhiscent
  • Caryopse
Phénologie
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Carte des observations
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