Characteristics of Seed Plant Flora in Chongqing, China

The features of seed plant flora in Chongqing City, China, are as follows:(1) Wild plants are diverse in species (208 families, 1 127 genera and 4 764 species), and the floristic elements are copious, including 12 areal types and 13 subtypes in the families and 15 areal types and 23 subtypes in the genera. (2) The tropical taxa are predominant with 83 tropical families (39.90%) and 454 tropical genera (40.28%), indicating that Chongqing flora is relative to tropical one. (3) Although the endemic families and genera are scarce in Chongqing, the endemic species are rich.