Comparaison

Photos

Isatis tinctoria
© GA
Critères
Critère
Pastel des teinturiers
Isatis tinctoria
Période floraison ou sporulation
  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D
Rareté Extrêmement rare (RRR)
Hauteur mini-maxi 30 - 120 cm
Couleur dominante des pièces pétaloides
Jaune
Nombre de pétales ou de tépales
4
Port de la plante
Tige dressée
Habitat
Terrain vague, chemin
Champ cultivé, vigne
Nombre d'étamines
6
Position de l'ovaire
Supère
Longueur du fruit
Entre 5 et 10 mm
Entre 1 et 1,5 cm
Entre 1,5 et 3 cm
Insertion des feuilles sur la tige
Feuilles embrassantes
Pilosité des feuilles
Présence de poils tous simples
Feuilles glabres
Caractéristiques du fruit
Fruit oblong, pendant, noir à maturité
Type de plante
Plante herbacée à fleurs
  • Autre plante herbacée à fleur
Type biologique
Plante terrestre
  • Plante annuelle
  • 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
  • Ovale, oblongue ou obovale
Rapport longueur / largeur 2-5
  • Lancéolée
Bord des limbes
Echancrures < 20% du limbe
  • Entier à marge lisse ou scabre
Type de fleur
Symétrie radiale
  • Pétales ou tépales libres
Dimension de la fleur en mm
Moins de 1 cm
  • 6
Type d'inflorescence
Fleurs regroupées
  • Grappe ou grappe composée
Type de fruit
Sec déhiscent
  • À 2 valves avec une cloison centrale (silique)
Forme de la tige ou de la hampe florale
Tige cylindrique
  • Lisse ou finement striée
Type de fruit
Akène (silicule indéhiscente)
  • Un seul akène
Carte des observations
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