Later researchers found that two species of domesticated coca existed. The two species have two varieties, Erythroxylum coca Lam. Hieron var. novogranatense, and E. novogranatense var. E. coca var. Coca, Huanuco or Bolivian coca is the ancestral variety.
Bolivian coca grows in the moist tropical forests of the eastern Andes of Peru and Bolivia.
This variety is the only one of the four found growing wild. Bolivian coca is the major source of commercially produced coca leaves and cocaine. Amazon coca, E. coca var. It has been suggested that this variety is a lowland cultigen of Bolivian coca. E. novogranatense var.