Cinnamomum verum
In the Paraguayan country-side the kamby arró is considered nutritious and great (special to improve the intelligence) because of the use of the cinnamon (Cinnamomum zeylanicum or Cinnamomum verum, a tree of perennial leaves of about 10 or 15 meters tall, originally from Sri Lanka and from which its internal cortex is used as spice, extracted by peeling and rubbing its branches. It is used indistinctly in branches or in powder).