Tengkawang, is an endemic plant of West Kalimantan, a species from the Shorea Sp, Depterocarpacae family that can only be found in Kalimantan rain forests. The tengkawang tree in general, harvest once in 3 to 4 years, but in the Pikul Pangajid Customary Forest area in Melayang hamlet, Bengkayang Regency, West Kalimantan there is a type of Tengkawang Layar that can be harvest yearly.