What is "caryodendron"

Caryodendron is a plant genus of the family Euphorbiaceae first described as a genus in 1860. The genus includes C. orinocense, known as the Inchi tree or Tacay nut. It is native to Central America and South America.

1. Caryodendron amazonicum Ducke - Amazonas in Brazil
2. Caryodendron angustifolium Standl. - Costa Rica, Panama, Colombia
3. Caryodendron janeirense Müll.Arg. - Rio de Janeiro
4. Caryodendron orinocense H.Karst - Colombia, Venezuela, Ecuador