Characteristics of Vascular Plant Flora of Taishun County

Taishun County is situated the southwest of Zhejiang Province. There are 215 families, 1063 genera and 2748 species (including subspecies, varieties, culti-varieties and forms) in the flora of Taishun County. Among which, pteridophytes are 45 families, 94 genera and 291 species, gymnosperms 9 families, 28 genera and 50 species, angiosperms 161 families, 941 genera and 2407 species, and cultivated plants 17 families, 150 genera and 394 species. They amount to 93.1%of the total families of vascular plants of Zhejiang flora, 77.8% of the total genera and 70.8% of the total species, In this paper, based upon material of historical geology and natural conditions, analysising composition of vascular plant flora and the areal-types of genera of seed plants and comparing with the genera and species of neighbouring flora, author considered that the flora of Taishun County has rich species, and many endemic and rare plants, that the origin of the flora is from far ancientry, that the floristic elements are complex and varied, and that the relations with flora South China, South west China, CentreChina, Taiwen of China and Japan is more close. Taishun County is overlapping region of South China flora and East China flora.