ABSTRACT The genus Nephelium is a fruit plant belongs to the Sapindaceae family. Most of the Nephelium members produces fruit that has high economic value. Therefore they are widely cultivated in Indonesia, including in Kuantan Singingi Regency, Riau Province. This study aims to inventory and study the diversity of Nephelium in Kuantan Singingi Regency. This study was conducted from Oktober 20…