Comparaison

Sélection

Trifolium medium

Trèfle intermédiaire

Photos

Photos épinglées

Trifolium medium
Individu
5
Critères
Critère Trifolium medium
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Rare (R)
Hauteur mini-maxi 15 - 40 cm
Nombre de pétales ou de tépales
5
Habitat
Forêt, haie, lisière, chemin forestier (laie)
Terrain vague, chemin
Nombre d'étamines
10
Détail des feuilles
Composée de 3 folioles, sans vrille
Visibilité du fruit
Fruit caché par le calice ou la corolle sèche
Dimension de l'inflorescence
De 2 à 3 cm
Plus de 3 cm
Forme de l'inflorescence
Sphérique ou courtement ovoïde (L/l < 1,5)
Nombre de fleurs dans l' inflorescence
Plus de 20 fleurs
Ornementation de l'étendard (pétale supérieur)
Étendard peu ou pas sillonné
Forme des stipules
Simples et soudées engainantes à leur base
Détail du fruit
Akène court
Gousse plus ou moins déhiscente (2 valves)
Disposition des étamines
1 étamine supérieure libre, 9 soudées en canal
Nervation du calice
Calice à 10 nervures
Localisation de l'inflorescence
Sessile et terminale (sous-tendue par 2 feuilles)
Insertion de la foliole terminale
À pétiole court égalant ceux des latérales
Nervation des folioles
Nervures fines arquées au sommet
Pilosité de la tige
Nettement velue
Pilosité du calice
Calice velu seulement sur les dents
Forme du calice à maturité
Calices non enflés à maturité
Localisation des fruits
Pédoncules et fruits restant aériens
Orientation des fleurs fanées
Fleurs non rabattues ou restant denses
Forme des stipules
Étroite, prolongée en pointe fine, non glanduleuse
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante vivace souterraine
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type d'inflorescence
Fleurs regroupées
  • Tête globuleuse
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Dimension de la fleur en mm
1 à 2 cm
  • 18
2 à 5 cm
  • 25
Couleur dominante des pièces pétaloides
Rouge, pourpre
Port de la plante
Tige dressée
Rampante
Position de l'ovaire
Supère
Type de corolle
Corolle papilionacée
Caractère particulier
Présence de stipules ou d'ochréas
Structure de la feuille
Feuille composée
  • Composée palmée
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales libres
Type de fruit
Sec déhiscent
  • À 2 valves sans cloison centrale (gousse)
Phénologie
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Carte des observations
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