Comparaison

Photos

Trifolium hybridum

Critères

Critère	Trèfle hybride Trifolium hybridum
Période floraison ou sporulation	J F M A M J J A S O N D
Rareté	Assez rare (AR)
Hauteur mini-maxi	10 - 50 cm
Bord des limbes	Echancrures >20% du limbe Lobé ou découpé
Caractère particulier	Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides	Rose, lilas Blanche
Dimension de la fleur en mm	Moins de 1 cm 8 1 à 2 cm 20
Disposition des feuilles	Tige aérienne avec feuilles Alternes
Forme de la tige ou de la hampe florale	Tige anguleuse + de 4 angles Tige cylindrique Lisse ou finement striée
Forme des feuilles indivises	Feuilles découpées ou composées
Fréquence	Assez rare (AR)
Habitat	Prairie, pelouse Terrain vague, chemin
Hauteur maxi de la plante en cm	31 à 60 cm 50
Hauteur mini de la plante en cm	10
Nombre d'étamines	10
Nombre de pétales ou de tépales	5
Port de la plante	Tige dressée Rampante
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	De 1 à 2 cm De 2 à 3 cm
Forme de l'inflorescence	Sphérique ou courtement ovoïde (L/l < 1,5)
Forme des stipules	Brusquement rétrécie en pointe, 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 fines et presque droites
Nervation du calice	Calice à 10 nervures
Nombre de fleurs dans l' inflorescence	Plus de 20 fleurs
Orientation des fleurs fanées	Fleurs brusquement rabattues après fécondation
Ornementation de l'étendard (pétale supérieur)	Étendard peu ou pas sillonné
Pilosité de la tige	Glabre ou à poils épars
Pilosité du calice	Calice glabre 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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