Comparaison

Sélection

Lathyrus sylvestris

Gesse des bois

Photos

Photos épinglées

Lathyrus sylvestris
Individu
3
Critères
Critère 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
Nombre de pétales ou de tépales
5
Habitat
Forêt, haie, lisière, chemin forestier (laie)
Eboulis, rocher, terrain rocailleux
Nombre d'étamines
10
Détail des feuilles
Composée de 2 folioles, terminée par une vrille
Forme des stipules
Entières et séparées l'une de l'autre
Détail du fruit
Gousse plus ou moins déhiscente (2 valves)
Disposition des étamines
1 étamine supérieure libre, 9 soudées en canal
Pétiole des feuilles
Pétioles ailés
Nombre de fleurs dans l' inflorescence
3 à 6 fleurs
Plus de 6 fleurs
Nervures secondaires des folioles
3 ou plus, arquées parallèles
Nombre de paires de folioles
1 paire
Pilosité du fruit
Fruit glabre
Forme des folioles
Linéaires - lancéolées, L/l > 5
Lancéolées, L/l compris entre 2 et 5
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
Bord des limbes
Echancrures >20% du limbe
  • Lobé ou découpé
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
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
Couleur dominante des pièces pétaloides
Rose, lilas
Rouge, pourpre
Port de la plante
Grimpante
Position de l'ovaire
Supère
Type de corolle
Corolle papilionacée
Caractère particulier
Présence de stipules ou d'ochréas
Structure de la feuille
Feuille composée
  • Paripennée
  • 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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