Spermatophyte flora of Boshan Mountain in Henan Province

Boshan Mountain,located in central Henan Province,is rich in flora with 120 families,410 genera,747 species,38 varieties,and 6 forms of seed plants.This study compared the composition,richness,dominant families,characteristics,and areal types for flora of families,genera,and species on Boshan Mountain and adjacent flora using a cluster analysis of their floristic spectra.Results showed that the geographic distribution for all families,genera,and species of seed plants could be divided into 15 distributional types.There were seed plants for mixed tropical and temperate flora:42 families,52 genera,and 28 species;tropical flora:49 families,130 genera,and 89 species;and temperate flora:29 families,228 genera,and 674 species with temperate genera 1.8 times tropical genera,and temperate species 7.6 times tropical species.[ Ch,1 fig.6 tab.17 ref.]