【摘要】 对河南农药种子植物的生物多样性和区系组成进行研究,结果表明,河南农药植物有63科133属190种3亚种23变种,其中以双子叶植物为主有56科120属172种3亚种23变种,单子叶植物有5科11属16种,裸子植物有2科2属2种。河南农药植物区系组成中,以北温带、泛热带、东亚分布、世界广布、旧世界温带分布、东亚和北美洲间断分布6种为主,植物区系中热带成分约为温带成分的3/5。更多还原

【Abstract】 The biological diversity and floristic characteristics of pesticide seed plants in Henan Province were discussed.The results showed that there were 63 families,133 genera,190 species,3 subspecies,23 varieties of pesticide seed plants in Henan Province.Among them,there were 56 families,120 genera,172 species,3 subspecies and 23 varieties of dicotyledon,5 families,11 genera and 16 species of monocotyledon,2 families,2 genera and 2 species of gymnosperm.The north temperate,the pantropic,the East Asia,the cosmopolitan,the old world temperate and the East Asia and North America disjuncted distribution were main types of pesticide seed plants in Henan Province.The proportion of the tropic components to the temperate components in the flora was nearly sixty percent.更多还原