Comparaison

Sélection

Vulpia membranacea

Vulpie à une seule glume

Photos

Photos épinglées

Vulpia membranacea
Individu
Critères
Critère Vulpia membranacea
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 15 - 50 cm
Habitat
Terrain sec
Nombre d'étamines
3
Pilosité des feuilles inférieures
Glabres
Largeur moyenne des feuilles inférieures
< 1 mm
1 - 2 mm
Détail de l'inflorescence
Panicule à rameaux dressés d'un côté
Caractéristique de la glume supérieure
À arête supérieure à 2 mm
Sommet de la tige
Rapidement développé au-delà de la gaine
Pilosité des lemmes
Simplement scabres
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
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 épillet complet
  • Porté par un pédoncule, plusieurs caryopses
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
Terminale courte (< 10 cm)
Type de ligule
Membraneuse glabre ou courtement ciliée
Présence d'oreillettes
Pas d'oreillettes
Taille de l'épillet
1 - 2 cm
Taille de la glume supérieure
Nettement dépassée par les fleurons
Rapport entre glumes inférieure et supérieure
Entre 4 et 10
semence terminale de l'épillet
Pas plus d'1 ou 2 fleurons stériles terminaux
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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