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Tragus racemosus

Bardanette en grappe

Photos

Photos épinglées

Tragus racemosus
Individu
3
Critères
Critère Tragus racemosus
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 10 - 20 cm
Habitat
Terrain sec
Nombre d'étamines
3
Structure de l'inflorescence générale
Epi composé (3 à 5 épillets à chaque noeud)
Panicule contractée cylindrique
Pilosité des feuilles inférieures
À cils raides sur les bords
Largeur moyenne des feuilles inférieures
2 - 4 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
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
Un seul fleuron fertile
  • Sans autres pièces
Structure de la semence
Plusieurs épillets soudés
  • Masse de 2 - 4 épillets à pointes crochues
Nombre de pétales ou de tépales
Aucun pétale
Port de la plante
Rampante
Position de l'ovaire
Supère
Couleur dominante des pièces pétaloides
Pas de calice ni de corolle
Inflorescence primaire
Epillet
Position de l'arête des lemmes
Absente
Type de ligule
Remplacée par des poils ou longuement ciliée
Présence d'oreillettes
Pas d'oreillettes
Taille de l'épillet
3 - 4 mm
Taille de la glume supérieure
Dépassant nettement les fleurons
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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