Comparaison

Photos

Lepidium didymum

© GA
Critères
Critère
Passerage didyme
Lepidium didymum
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 10 - 25 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Caractère particulier Plante à odeur désagréable
Couleur dominante des pièces pétaloides Jaunâtre
Dimension de la fleur en mm Moins de 5 mm
1
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
Fréquence Très rare (RR)
Habitat Terrain vague, chemin
Proximité habitations, parcs
Hauteur maxi de la plante en cm 11 à 30 cm
25
Hauteur mini de la plante en cm 10
Nombre d'étamines 6
4
Nombre de pétales ou de tépales 4
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille 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 < 5 mm
Pilosité des feuilles Feuilles glabres
Type de fruit Akène (silicule indéhiscente)
Deux akènes accolés
Ailes du fruit Ailes absentes, fruit non échancré
Détail de l'inflorescence Grappes courtes opposées aux feuilles
Forme et taille des fruits Plus large que long à 2 loges indéhiscentes
Ornementation des parois du fruit Fruit verruqueux ou vésiculeux
Particularité du fruit Silicule à 2 graines : 1 graine par loge
Pilosité du sommet des tiges Tige à longs poils
Carte des observations
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