The Indonesian Cassia is from the species Cinnamomum burmannii blum. The botanical term is "cassia vera", while it is locally known as "cinnamon" (Indo), "cinnamon". Cassia a.k.a Cinnamon is the bark of trees.
The largest and best cinnamon in the world market currently supplies 85% of its demand from Indonesia. The area is precisely located on the island of Sumatra, namely Kerinci (Jambi Province).