ABSTRACK The Ghimbo Potai Prohibition Forest is a customary forest located in Koto Tibun Village, Kampar District, Riau Province. Meranti Rambai is one of the flora diversity which is one of the constituents of the vegetation the Ghimbo Potai Forest. Meranti Rambai is a woody plant of the Dipterocarpaceae family which is spread over the territory of Indonesia, namely the island of Sumatera, Ka…