Griffonia

Griffonia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Cercidoideae. "Griffonia" is known to have a high concentration of 5-HTP in its seeds.
Taxonomy.
The genus "Griffonia" was named by Henri Baillon in honour of his friend and fellow physician Marie-Théophile Griffon du Bellay, explorer of Gabon, pioneer in the study of sleeping sickness and also of the African entheogen Iboga, source of the alkaloid ibogaine. 
Species.
"Griffonia" comprises the following species: