Abstract:Dipteridaceae is a natural taxon,containing a single genus,Dipteris Reinwardt and eight species,of which three are occuring in China,D.chinensis Christ,D.conjugata(Kaulf.) Reinw.and D.wallichii(R.Br.) T.Moore.Two species are found in Yunnan,China,D.chinensis Christ and D.wallichii(R.Br.) T.Moore.A newly recorded species,D.wallichii(R.Br.)T.Moore from Yunnan,China,was reported and a key to the species and new color plates are provided.