Comparaison

Photos

Lathyrus sylvestris

© GA
Critères
Critère
Gesse des bois
Lathyrus sylvestris
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Rare (R)
Hauteur mini-maxi 50 - 180 cm
Couleur dominante des pièces pétaloides
Rose, lilas
Rouge, pourpre
Nombre de pétales ou de tépales
5
Port de la plante
Grimpante
Habitat
Eboulis, rocher, terrain rocailleux
Forêt, haie, lisière, chemin forestier (laie)
Nombre d'étamines
10
Position de l'ovaire
Supère
Type de corolle
Corolle papilionacée
Détail des feuilles
Composée de 2 folioles, terminée par une vrille
Caractère particulier
Présence de stipules ou d'ochréas
Détail du fruit
Gousse plus ou moins déhiscente (2 valves)
Forme des stipules
Entières et séparées l'une de l'autre
Disposition des étamines
1 étamine supérieure libre, 9 soudées en canal
Forme des folioles
Lancéolées, L/l compris entre 2 et 5
Linéaires - lancéolées, L/l > 5
Nervures secondaires des folioles
3 ou plus, arquées parallèles
Nombre de fleurs dans l' inflorescence
3 à 6 fleurs
Plus de 6 fleurs
Nombre de paires de folioles
1 paire
Pétiole des feuilles
Pétioles ailés
Pilosité du fruit
Fruit glabre
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante vivace en surface
Disposition des feuilles
Tige aérienne avec feuilles
  • Alternes
Structure de la feuille
Feuille composée
  • Composée palmée
  • Paripennée
Forme des feuilles indivises
Feuilles découpées ou composées
  • Feuilles découpées ou composées
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales libres
Dimension de la fleur en mm
1 à 2 cm
  • 18
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Type de fruit
Sec déhiscent
  • À 2 valves sans cloison centrale (gousse)
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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