Comparaison

Photos

Tragus racemosus

Critères

Critère	Bardanette en grappe 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
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	Extrêmement rare (RRR)
Habitat	Terrain sec
Hauteur maxi de la plante en cm	11 à 30 cm 20
Hauteur mini de la plante en cm	10
Nombre d'étamines	3
Nombre de pétales ou de tépales	Aucun pétale
Port de la plante	Rampante
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	2 - 4 mm
Pilosité des feuilles inférieures	À cils raides sur les bords
Position de l'arête des lemmes	Absente
Présence d'oreillettes	Pas d'oreillettes
Structure de l'inflorescence générale	Epi composé (3 à 5 épillets à chaque noeud) Panicule contractée cylindrique
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
Taille de l'épillet	3 - 4 mm
Taille de la glume supérieure	Dépassant nettement les fleurons
Type de ligule	Remplacée par des poils ou longuement ciliée

Carte des observations

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