Comparaison

Photos

Vulpia unilateralis

© GA
Critères
Critère
Vulpie unilatérale
Vulpia unilateralis
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Rare (R)
Hauteur mini-maxi 5 - 30 cm
Type d'inflorescence
Fleurs regroupées
  • Epi ou épi composé
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Habitat
Terrain sec
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
Glabres
Position de l'arête des lemmes
Subterminale non coudée
Largeur moyenne des feuilles inférieures
< 1 mm
1 - 2 mm
Présence d'oreillettes
Pas d'oreillettes
Structure de l'inflorescence générale
Epi ou grappe simple (1 épillet à chaque noeud)
Taille de l'épillet
5 - 7 mm
Taille de la glume supérieure
Nettement dépassée par les fleurons
Type de ligule
Membraneuse glabre ou courtement ciliée
Caractéristique de la glume supérieure
Sans arête ou simplement acuminée
Détail de l'inflorescence
Grappe à pédoncules d'environ 1 mm
Pilosité des lemmes
Simplement scabres
Rapport entre glumes inférieure et supérieure
Moins de 2,5
semence terminale de l'épillet
Pas plus d'1 ou 2 fleurons stériles terminaux
Sommet de la tige
Rapidement développé au-delà de la gaine
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 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
Structure de la semence
1 seul fleuron
  • Fleuron muni d'une baguette
Carte des observations
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