Abstract:In type specimens deposited at China National Herbarium(PE), Institute of Botany, the Chinese Academy of Sciences, the types of sixteen names, Ficus formosana Maxim.(Moraceae), Elatostema ficoides(Wall.) Wedd. var. brachyodontum Hand.-Mazz.(Urticaceae), Aristolochia delavayi Frarch.(Aristolochiaceae), Amygdalus communis Linn. var. tangutica Potal.(Rosaceae), Prunus brachypoda Batal.(Rosaceae), Prunus brachypoda Batal. var. pseudessiori Koehne(Rosaceae), Raphiolepis gracilis Nakai(Rosaceae), Spiraea mongolica Maxim.(Rosaceae), Ardisia tenera Mez(Myrsinaceae), Symplocos formosana Brand(Symplocaceae), Chionanthus chinensis Maxim.(Oleaceae), Fraxinus trifoliolata W.W.Smith(Oleaceae), Jasminum subhumile W.W.Smith(Oleaceae), Buddleia fallowiana I.B.Balf. & W.W.Smith(Loganiaceae), Vincetoxicum mongolicum Maxim.(Asclepiadaceae) and Omphalodes trichocarpa Maxim.(Boraginaceae) of taxa in Dicotyledon are found to be syntypes under Article 9.5 of the International Code of Nomenclature for Algae, Fungi, and Plants(Melbourne Code). According to Article 8.1, 9.11 and 9.12, and Recommendation 9A.3, lectotypes for these sixteen names are here designated.