Background The high of biodiversity of both plants and trees is the special charateristic of tropical forest ecosystems. The high intensity of rainfall and humidity as well as seasonal differences that caused many species can grow well in tropical forests. One of many important trees in the tropical rainforest of Indonesia is a sub family of Dipterocarpaceae. The Dipterocarpaceae. divided into 13 genera, 470 species. Among the 13 generas 9 of them are in Indonesia, namely Shorea, Dipterocarpus, Dryoblanops, Hopea, Vatica, Cotylelobium melanoxylon, Parashorea, Anisoptera and Upuna. Since the 1970s, the era of exploitation of timber harvesting in forests outside Java were very intensively done by the concession holders, the most sold out of this plant as a commercial commodity in wood market all over the world can be said it was out of control. Almost all types of Dipterocarpaceae is the most hunted wood to meet the demand for wood is caused it became scarcity One genus of Diptero