Comparative Study on Rare and Endangered Plants of 5 Nature Reserves in Henan

5 nature reserves selected were located from the south to the north in Henan Province,The species,family and genera distribution,floristic characteristics,similarity and resource utilization of rare and endangered plants in 5 representative nature reserves were investigated in this paper.The results showed as follows:there were 105 species of rare and endangered plants in Baotianman Nature Reserve.The complex floristic elements had obvious temperate characteristics,rare and dangered plant had low similitude degree with other neighbour nature reserves in Henan;it had potential promising application prospect owing to the various resource utilization.Therefore,Baotianman nature reserve was the distribution centre and research base of rare and endangered plant in Henan.