Comparaison

Photos

Hordeum secalinum
© GA
Critères
Critère
Orge faux seigle
Hordeum secalinum
Période floraison ou sporulation
  • J
  • F
  • M
  • A
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  • J
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  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 50 - 80 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 Prairie, pelouse
Hauteur maxi de la plante en cm 61 cm à 1 mètre
80
Hauteur mini de la plante en cm 50
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 vivace en surface
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 2 - 4 mm
Pilosité des feuilles inférieures À pilosité homogène sur les faces
Position de l'arête des lemmes Terminale courte (< 10 cm)
Présence d'oreillettes Oreillettes glabres
Structure de l'inflorescence générale Epi composé (3 à 5 épillets à chaque noeud)
Structure de l'épillet Un seul fleuron fertile
Sans autres pièces
Structure de la semence Plusieurs épillets soudés
Faisceau de 3 épillets (9 arrêtes scabres)
Taille de l'épillet 8 - 10 mm
Taille de la glume supérieure Nettement dépassée par les fleurons
Type de ligule Membraneuse glabre ou courtement ciliée
Arêtes des épillets latéraux Lemmes à arêtes courtes < 2 cm
Particularité des faisceaux d'épillets Les latéraux mâles avec un seul fleuron
Carte des observations
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