Comparaison

Photos

Setaria italica
© GA
Critères
Critère
Sétaire verte
Setaria italica
Période floraison ou sporulation
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Rareté Très commune (CC)
Hauteur mini-maxi 30 - 160 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 Très commune (CC)
Habitat Terrain vague, chemin
Proximité habitations, parcs
Champ cultivé, vigne
Hauteur maxi de la plante en cm 1 à 2 mètres
160
Hauteur mini de la plante en cm 30
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 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 4 - 10 mm
10 - 20 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 contractée cylindrique
Structure de l'épillet Un seul fleuron fertile
Associé à un fleuron stérile basal
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 Égalant environ l'ensemble des fleurons
Type de ligule Remplacée par des poils ou longuement ciliée
Accroche de l'inflorescence Lisse, non accrochante
Aspect du fleuron fertile Masqué et finement ponctué
Caractère particulier de l'inflorescence Rameaux stériles ressemblant à des arêtes ou soies
Couleur des arêtes de l'inflorescence Verdâtre ou pourprée
Carte des observations
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