Comparaison

Photos

Bromus secalinus
© JG†
Critères
Critère
Brome faux-seigle
Bromus secalinus
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 40 - 90 cm
Structure de la semence
1 seul fleuron
  • Fleuron muni d'une baguette
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Habitat
Champ cultivé, vigne
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
À pilosité homogène sur les faces
Position de l'arête des lemmes
Subterminale non coudée
Largeur moyenne des feuilles inférieures
4 - 10 mm
Présence d'oreillettes
Pas d'oreillettes
Structure de l'inflorescence générale
Panicule diffuse
Taille de l'épillet
1 - 2 cm
Taille de la glume supérieure
Nettement dépassée par les fleurons
Type de ligule
Membraneuse glabre ou courtement ciliée
Aspect des lemmes
Coriaces, lisses et glabres
Epaisseur du fruit
Caryopse presque aussi épais que large
Forme des épillets
Arrondis sur le dos
Nervation des glumes
Glume inférieure à 3 - 7 nervures
Particularité du fleuron
Paléole égalant presque la lemme
Taille de l'arête
Entre 3 et 15 mm
Taille des lemmes
Supérieure à 8 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
Certains épillets avec plus de 2 fleurons fertiles
  • 5 fleurons ou plus
Carte des observations
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