Comparaison

Photos

Trifolium rubens
© GA
Critères
Critère
Trèfle rougeâtre
Trifolium rubens
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 20 - 60 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Rouge, pourpre
Dimension de la fleur en mm 1 à 2 cm
14
2 à 5 cm
30
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 Prairie, pelouse
Terrain sec
Hauteur maxi de la plante en cm 31 à 60 cm
60
Hauteur mini de la plante en cm 20
Nombre d'étamines 10
Nombre de pétales ou de tépales 5
Port de la plante Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille composée
Composée palmée
Type biologique Plante terrestre
Plante vivace en surface
Type d'inflorescence Fleurs regroupées
Tête globuleuse
Type de fleur Symétrie bilatérale
Pétales ou tépales libres
Type de fruit Sec déhiscent
À 2 valves sans cloison centrale (gousse)
Type de plante Plante herbacée à fleurs
Autre plante herbacée à fleur
Disposition des étamines 1 étamine supérieure libre, 9 soudées en canal
Détail des feuilles Composée de 3 folioles, sans vrille
Détail du fruit Akène court
Gousse plus ou moins déhiscente (2 valves)
Forme des stipules Simples et soudées engainantes à leur base
Type de corolle Corolle papilionacée
Dimension de l'inflorescence Plus de 3 cm
Forme de l'inflorescence Cylindrique
Forme des stipules Étroite, prolongée en pointe fine, non glanduleuse
Forme du calice à maturité Calices non enflés à maturité
Insertion de la foliole terminale À pétiole court égalant ceux des latérales
Localisation de l'inflorescence Pédonculée et terminale
Localisation des fruits Pédoncules et fruits restant aériens
Nervation des folioles Nervures épaissies et arquées au sommet
Nervation du calice Calice à 20 nervures
Nombre de fleurs dans l' inflorescence Plus de 20 fleurs
Orientation des fleurs fanées Fleurs non rabattues ou restant denses
Ornementation de l'étendard (pétale supérieur) Étendard peu ou pas sillonné
Pilosité de la tige Glabre ou à poils épars
Pilosité du calice Calice velu seulement sur les dents
Visibilité du fruit Fruit caché par le calice ou la corolle sèche
Carte des observations
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