Abstract
Based on investigation of populations of Parnassiaguilinensis and P.xinganensis, examination of herbarium specimens (including types), as well as consultation of protologues and distributions, P.guilinensis is hereby reduced to a synonym of P.xinganensis. P.xinganensis is endemic to northeastern Guangxi Province of China and characterized by having elliptic to ovate leaves and staminodes 3-5-branched with globose glands. Field photographs and an updated morphological description of P.xinganensis are provided.