Comparaison

Comparer plusieurs plantes en visualisant leurs photos, leurs critères distinctifs ou communs, et leur répartition géographique selon les connaissances actuelles.

Photos (clic pour agrandir)

Bardanette en grappe
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 de la plante	10 - 20 cm
Type de plante	À feuilles linéaires et longues gaines
Port de la plante	Rampante
Habitat	Terrain sec
Type biologique	Plante annuelle
Disposition des feuilles	Alternes
Structure de la feuille	Simple, non découpée
Forme des feuilles indivises	Linéaire
Bord des limbes	Entier à marge lisse ou scabre
Type de fleur	Autre (Voir aide)
Dimension de la fleur en mm	Pièces florales absentes ou transformées en soies
Position de l'ovaire	Supère
Couleur dominante des pièces pétaloides	Pas de calice ni de corolle
Nombre de pétales ou de tépales	Aucun pétale
Type d'inflorescence	Epi ou épi composé
Nombre d'étamines	3
Type de fruit	Caryopse
Forme de la tige ou de la hampe florale	Lisse ou finement striée
Inflorescence primaire	Epillet
Structure de l'épillet	Sans autres pièces
Structure de l'inflorescence générale	Epi composé (3 à 5 épillets à chaque noeud) Panicule contractée cylindrique
Position de l'arête des lemmes	Absente
Taille de l'épillet	3 - 4 mm
Taille de la glume supérieure	Dépassant nettement les fleurons
Largeur moyenne des feuilles inférieures	2 - 4 mm
Type de ligule	Remplacée par des poils ou longuement ciliée
Présence d'oreillettes	Pas d'oreillettes
Pilosité des feuilles inférieures	À cils raides sur les bords
Structure de la semence	Masse de 2 - 4 épillets à pointes crochues

Carte des observations

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Avertissement : La carte présentée ne correspond qu'à l'état actuel des connaissances et ne peut être considérée comme exhaustive. Cette carte est une retranscription en temps réel des contributions de chacun sur la base de données et toute nouvelle donnée est à ce titre intéressante, même pour les espèces les plus communes.
Copyright © : Geonat'ÎdF - Lobelia

Comparaison

Photos (clic pour agrandir)

Bardanette en grappe Tragus racemosus

Critères (➡️)

Carte des observations

Bardanette en grappe
Tragus racemosus