Comparaison

Photos

Polypogon viridis
© GA
Critères
Critère
Polypogon vert
Polypogon viridis
Période floraison ou sporulation
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Rareté None
Hauteur mini-maxi 15 - 40 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
Habitat Zone humide, tourbière, rives
Terrain vague, chemin
Hauteur maxi de la plante en cm 31 à 60 cm
40
Hauteur mini de la plante en cm 15
Nombre d'étamines 3
Nombre de pétales ou de tépales Aucun pétale
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille non découpée
Simple, non découpée
Type biologique Plante terrestre
Plante vivace en surface
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
4 - 10 mm
Pilosité des feuilles inférieures Glabres
Position de l'arête des lemmes Absente
Présence d'oreillettes Pas d'oreillettes
Structure de l'inflorescence générale Panicule diffuse
Structure de l'épillet Un seul fleuron fertile
Sans autres pièces
Structure de la semence 1 épillet complet
Sans pédoncule ni baguette, 1 seul caryopse
Taille de l'épillet < 3 mm
Taille de la glume supérieure Dépassant nettement les fleurons
Type de ligule Membraneuse glabre ou courtement ciliée
Détail de l'inflorescence Rameaux primaires allongés couverts d'épillets
Détail des glumes Glumes très scabres non aristées
Carte des observations
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