Comparaison

Photos

Brassica nigra

Critères

Critère	Moutarde noire Brassica nigra
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Rare (R)
Hauteur mini-maxi	60 - 140 cm
Bord des limbes	Echancrures >20% du limbe Lobé ou découpé
Couleur dominante des pièces pétaloides	Jaune
Dimension de la fleur en mm	1 à 2 cm 14
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	Feuilles découpées ou composées Rapport longueur / largeur 2-5 Lancéolée
Fréquence	Rare (R)
Habitat	Terrain vague, chemin
Hauteur maxi de la plante en cm	1 à 2 mètres 140
Hauteur mini de la plante en cm	60
Nombre d'étamines	6
Nombre de pétales ou de tépales	4
Port de la plante	Tige dressée
Position de l'ovaire	Supère
Structure de la feuille	Feuille non découpée Simple, non découpée Feuille plus ou moins découpée Pennée et plus profondément découpée
Type biologique	Plante terrestre Plante annuelle
Type d'inflorescence	Fleurs regroupées Grappe ou grappe composée
Type de fleur	Symétrie radiale Pétales ou tépales libres
Type de fruit	Sec déhiscent À 2 valves avec une cloison centrale (silique)
Type de plante	Plante herbacée à fleurs Autre plante herbacée à fleur
Insertion des feuilles sur la tige	Feuilles non embrassantes
Longueur du fruit	Entre 1 et 1,5 cm Entre 1,5 et 3 cm
Pilosité des feuilles	Présence de poils tous simples
Type de fruit	Silique Fruit déhiscent prolongé par un bec > 3 mm
Couleur de la feuille	Feuilles glauques (bleu grisâtre), lisses
Nervation des valves	Une seule nervure médiane
Orientation des fruits	Fruits appliqués contre la tige
Orientation des sépales	Sépales étalés, dressés

Carte des observations

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