Comparaison

Photos

Rumex cristatus

Critères

Critère	Patience à crêtes Rumex cristatus
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Très rare (RR)
Hauteur mini-maxi	80 - 200 cm
Bord des limbes	Echancrures < 20% du limbe Entier à marge lisse ou scabre
Caractère particulier	Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides	Verdâtre Rose, lilas
Dimension de la fleur en mm	Moins de 5 mm 3
Disposition des feuilles	Tige aérienne avec feuilles Alternes
Forme de la tige ou de la hampe florale	Tige cylindrique Nettement sillonnée
Forme des feuilles indivises	Rapport longueur / largeur 2-5 Ovale lancéolée ou oblancéolée
Fréquence	Très rare (RR)
Habitat	Prairie, pelouse Zone humide, tourbière, rives Terrain vague, chemin
Hauteur maxi de la plante en cm	1 à 2 mètres 200
Hauteur mini de la plante en cm	80
Nombre d'étamines	6
Nombre de pétales ou de tépales	6
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 vivace en surface
Type d'inflorescence	Fleurs regroupées En verticilles ou glomérules
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
Aspect de la fleur	6 pièces, 3 petites externes et 3 grandes internes
Détail de l'inflorescence	Plusieurs grappes ou épis terminaux
Insertion des feuilles	Présence d'une enveloppe membraneuse (ochréa)
Forme de la base du limbe	Base en coeur
Forme du limbe vers le tiers inférieur	Limbe non rétréci peu ou pas ondulé
Largeur des valves fructifères	Valves aussi longues que larges (sans les dents) > 2 mm de large
Longueur des valves fructifères	Supérieure à 6 mm
Nombre de granules par valve fructifère	1 seul granule médian
Ornementation de la marge des valves fructifères	Valves courtement dentées
Ramification de l'inflorescence	Inflorescence deux fois ramifiée ou plus
Saveur des feuilles	Saveur herbacée

Carte des observations

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