Comparaison

Photos

Lepidium graminifolium

Critères

Critère	Passerage à feuilles de graminée Lepidium graminifolium
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	40 - 80 cm
Nombre de pétales ou de tépales	4
Nombre d'étamines	6
Position de l'ovaire	Supère
Couleur dominante des pièces pétaloides	Blanche
Habitat	Terrain vague, chemin
Port de la plante	Tige dressée
Insertion des feuilles sur la tige	Feuilles non embrassantes
Longueur du fruit	< 5 mm
Pilosité des feuilles	Présence de poils tous simples Feuilles glabres
Ailes du fruit	Ailes absentes, fruit non échancré
Ornementation des parois du fruit	Fruit lisse et glabre
Particularité du fruit	Silicule à 2 graines : 1 graine par loge
Pilosité du sommet des tiges	Tige à petits poils arqués et aigus
Détail de l'inflorescence	Grappes terminales espacées les unes des autres
Forme et taille des fruits	Arrondi entre 2 et 3 mm de large Elliptique inférieur à 2 mm de large
Type de plante	Plante herbacée à fleurs Autre plante herbacée à fleur
Type biologique	Plante terrestre Plante annuelle Plante vivace en surface
Disposition des feuilles	Tige aérienne avec feuilles Alternes
Structure de la feuille	Feuille non découpée Simple, non découpée Feuille plus ou moins découpée Pennée et lobée Pennée et plus profondément découpée
Forme des feuilles indivises	Feuilles découpées ou composées Feuilles découpées ou composées Rapport longueur / largeur 2-5 Lancéolée Rapport longueur / largeur 5-10 Linéaire lancéolée Rapport longueur / largeur > 10 Linéaire
Bord des limbes	Echancrures < 20% du limbe Denté Entier à marge lisse ou scabre Echancrures >20% du limbe Lobé ou découpé
Type de fleur	Symétrie radiale Pétales ou tépales libres
Dimension de la fleur en mm	Moins de 5 mm 4
Type d'inflorescence	Fleurs regroupées Grappe ou grappe composée
Type de fruit	Sec déhiscent À 2 valves avec une cloison centrale (silique)
Forme de la tige ou de la hampe florale	Tige cylindrique Lisse ou finement striée
Type de fruit	Silicule Aplati perpendiculairement à la cloison

Carte des observations

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