Comparaison

Photos

Alyssum alyssoides

© GA
Critères
Critère
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 5 - 20 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Jaunâtre
Blanche
Dimension de la fleur en mm Moins de 5 mm
4
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 1-2
Ovale, oblongue ou obovale
Rapport longueur / largeur 2-5
Lancéolée
Spatulée
Fréquence Très rare (RR)
Habitat Prairie, pelouse
Terrain sec
Hauteur maxi de la plante en cm 11 à 30 cm
20
Hauteur mini de la plante en cm 5
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
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 < 5 mm
Pilosité des feuilles Présence de poils étoilés ou ramifiés
Type de fruit Silicule
Aplati parallèlement à la cloison
Pilosité des fruits Silicule arrondie, couverte de poils étoilés
Taille du style Style inférieur à 1 mm
Carte des observations
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