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)

Pâturin bulbeux
Poa bulbosa

Critères (➡️)

Critère	Pâturin bulbeux Poa bulbosa
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Assez rare (AR)
Hauteur mini-maxi de la plante	20 - 50 cm
Type de plante	À feuilles linéaires et longues gaines
Port de la plante	Tige dressée
Habitat	Terrain sec
Type biologique	Plante vivace en surface
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	5 fleurons ou plus Fleurons remplacés par des plantules 3 à 4 fleurons
Structure de l'inflorescence générale	Panicule diffuse
Position de l'arête des lemmes	Absente
Taille de l'épillet	3 - 4 mm 5 - 7 mm
Taille de la glume supérieure	Nettement dépassée par les fleurons
Largeur moyenne des feuilles inférieures	1 - 2 mm
Type de ligule	Membraneuse glabre ou courtement ciliée
Présence d'oreillettes	Pas d'oreillettes
Pilosité des feuilles inférieures	Glabres
Structure de la semence	Fleuron muni d'une baguette
Forme du limbe des feuilles	Plié en deux, seule la nervure médiane saillante
Premier noeud de l'inflorescence	1 ou 2 rameaux à la base de la panicule
Forme de la tige	Ronde à faiblement comprimée
Détail de la biologie	En touffe dense à base bulbeuse
Ligule des feuilles supérieures	Allongée, très aiguë
Pilosité et nervation des lemmes	3 nervures saillantes et poils laineux à la base
Orientation des rameaux à maturité	Tous étalés, dressés
Partie fertile des étamines (anthère)	De 1,3 à 1,8 mm
Feuille supérieure de la tige	Soit oblique soit plus courte

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)

Pâturin bulbeux Poa bulbosa

Critères (➡️)

Carte des observations

Pâturin bulbeux
Poa bulbosa