Comparaison

Photos

Melampyrum cristatum

© GA
Critères
Critère
Mélampyre à crêtes
Melampyrum cristatum
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 20 - 40 cm
Bord des limbes Echancrures < 20% du limbe
Entier à marge lisse ou scabre
Couleur dominante des pièces pétaloides Jaune
Dimension de la fleur en mm 1 à 2 cm
12
Disposition des feuilles Tige aérienne avec feuilles
Opposées
Forme de la tige ou de la hampe florale Tige anguleuse
Quadrangulaire
+ de 4 angles
Forme des feuilles indivises Rapport longueur / largeur 5-10
Linéaire lancéolée
Fréquence Très rare (RR)
Habitat Terrain sec
Terrain vague, chemin
Hauteur maxi de la plante en cm 31 à 60 cm
40
Hauteur mini de la plante en cm 20
Nombre d'étamines 4
Nombre de pétales ou de tépales Corolle à 2 lèvres
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
Epi ou épi composé
Type de fleur Symétrie bilatérale
Pétales ou tépales soudés
Type de fruit Sec déhiscent
À autre mode d'ouverture (capsule)
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Aspect des feuilles Feuilles à limbe développé et vert
Nombre de sépales et de bractéoles 4 sépales, 0 bractéoles
Pilosité de la corolle Corolle velue
Taille et forme des graines Supérieure à 3 mm de long, épaisse sans ailes
Forme de l'inflorescence, couleur des bractées sup Nettement quadrangulaire à bractées pourpres
Forme des bractées Dentées en forme de crête
Carte des observations
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