Comparaison

Photos

Amaranthus blitum

© GA
Critères
Critère
Brède malabar
Amaranthus blitum
Période floraison ou sporulation
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Rareté Rare (R)
Hauteur mini-maxi 20 - 80 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Verdâtre
Brunâtre
Dimension de la fleur en mm Moins de 5 mm
2
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 = 1
Orbiculaire
Rapport longueur / largeur 1-2
Ovale, oblongue ou obovale
Fréquence Rare (R)
Habitat Champ cultivé, vigne
Terrain vague, chemin
Proximité habitations, parcs
Terrain sec
Hauteur maxi de la plante en cm 61 cm à 1 mètre
80
Hauteur mini de la plante en cm 20
Nombre d'étamines 3
2
Nombre de pétales ou de tépales 2
3
Port de la plante Rampante
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 Symétrie radiale
Pétales ou tépales libres
Type de fruit Sec indéhiscent
Akène simple
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Bractées de la fleur 1 bractée associée à des bractéoles
Pilosité Poils simples
Type de fruit Akène non ailé enveloppé dans des pièces florales
Tépales 2 à 4 tépales séparés
Forme des limbes des feuilles Arrondie et échancrée au sommet
Inflorescence Inflorescence non feuillée au sommet
Pilosité de la tige Sommet de la tige peu ou pas velu
Taille des bractéoles Inermes plus courtes que la fleur
Taille des graines Taille des graines inférieure ou égale à 1,3 mm
Carte des observations
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