Comparaison

Photos

Viola rupestris
© GH
Critères
Critère
Violette des sables
Viola rupestris
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Très rare (RR)
Hauteur mini-maxi 1 - 7 cm
Couleur dominante des pièces pétaloides
Violette
Blanche
Nombre de pétales ou de tépales
5
Port de la plante
Tige dressée
Habitat
Eboulis, rocher, terrain rocailleux
Terrain sec
Prairie, pelouse
Nombre d'étamines
5
Position de l'ovaire
Supère
Caractère particulier
Fleur munie d'un éperon
Présence de stipules ou d'ochréas
Aspect de la corolle
2 pétales supérieurs et 3 inférieurs
Couleur de l'éperon
Violet
Stolons
Jamais de stolons
Caractéristiques du fruit
Capsule à 3 valves s'ouvrant en étoile
Forme de la corolle
Pétale médian vers le bas, prolongé par un éperon
Forme des stipules
Stipules non foliacées et inférieures au pétiole
Forme de la base du limbe
En coeur à la base
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 non découpée
  • Simple, non découpée
Forme des feuilles indivises
Rapport longueur / largeur 1-2
  • Cordée
Bord des limbes
Echancrures < 20% du limbe
  • Crénelé
Type de fleur
Symétrie bilatérale
  • Pétales ou tépales libres
Dimension de la fleur en mm
1 à 2 cm
  • 12
Type d'inflorescence
Fleur solitaire
  • Fleur solitaire
Type de fruit
Sec déhiscent
  • À autre mode d'ouverture (capsule)
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Carte des observations
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