Hoya tamdaoensis Rodda & T. B. Tran is reported as a newly recorded species to China. The species is currently known from Napo County, Guangxi Province, growing in limestone evergreen broad-leaved forest. We provide description of the species, supplementary description of fruits and seeds that were absent when published in the paper. Photos of the species are also provided for identification. The voucher specimens are stored in Herbarium of Guangxi Botanical Garden of Medicinal Plants (GXMG).