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
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Pas de calice ni de corolle
Dimension de la fleur en mm Plante à fleurs nues
Pièces florales absentes ou transformées en soies
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 Champ cultivé, vigne
Hauteur maxi de la plante en cm 61 cm à 1 mètre
90
Hauteur mini de la plante en cm 40
Nombre d'étamines 3
Nombre de pétales ou de tépales Aucun pétale
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
Epi ou épi composé
Type de fleur Autre
Autre (Voir aide)
Type de fruit Sec indéhiscent
Caryopse
Type de plante Plante herbacée à fleurs
À feuilles linéaires et longues gaines
Inflorescence primaire Epillet
Largeur moyenne des feuilles inférieures 4 - 10 mm
Pilosité des feuilles inférieures À pilosité homogène sur les faces
Position de l'arête des lemmes Subterminale non coudée
Présence d'oreillettes Pas d'oreillettes
Structure de l'inflorescence générale Panicule diffuse
Structure de l'épillet Certains épillets avec plus de 2 fleurons fertiles
5 fleurons ou plus
Structure de la semence Fleuron muni d'une baguette
1 seul fleuron
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
Carte des observations
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