Comparaison

Photos

Trifolium scabrum
© GA
Critères
Critère
Trèfle rude
Trifolium scabrum
Période floraison ou sporulation
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Rareté Très rare (RR)
Hauteur mini-maxi 5 - 20 cm
Bord des limbes Echancrures >20% du limbe
Lobé ou découpé
Caractère particulier Présence de stipules ou d'ochréas
Couleur dominante des pièces pétaloides Blanche
Dimension de la fleur en mm Moins de 1 cm
5
1 à 2 cm
12
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 Eboulis, rocher, terrain rocailleux
Terrain sec
Hauteur maxi de la plante en cm 11 à 30 cm
20
Hauteur mini de la plante en cm 5
Nombre d'étamines 10
Nombre de pétales ou de tépales 5
Port de la plante Rampante
Tige dressée
Position de l'ovaire Supère
Structure de la feuille Feuille composée
Composée palmée
Type biologique Plante terrestre
Plante annuelle
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
Forme de l'inflorescence Ovoïde allongé ( 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 Sessile et axillaire
Localisation des fruits Pédoncules et fruits restant aériens
Nervation des folioles Nervures épaissies et arquées au sommet
Nervation du calice Calice à 10 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 Nettement velue
Pilosité du calice Calice entièrement velu
Visibilité du fruit Fruit caché par le calice ou la corolle sèche
Carte des observations
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