晋东南山地种子植物区系研究

晋东南山地有野生种子植物974种，隶属于456属125科，其中裸子植物7科11属15种，被子植物118科445属959种(其中双子叶植物104科396属833种，单子叶植物14科，49属126种)。种子植物属的区系成分复杂多样，以温带成分占绝对优势(温带属250属，占总属数的60．98％)。种子植物种的区系成分中，中国特有种占绝对优势，共有383种，占总种数的39．32％，它们是构成晋东南山地森林植被和灌丛植被的建群种和优势种的主要成分。

Study on the Flora of Seed Plants in Jindongnan Mountainous Region,Shanxi

In mountainous regions of southeast Shanxi province,the seed plants oblong to 974 species,125 families and 456 genera of which gymnosperms occupy 15 species,11 genera and seven families,and angiosperms occupy 959 species,445 g enera and 118 families (of which dicotyledons cover 833 species,396 genera and 104 families and monocotyledons cover 126 species,49 genera and 14 families).The florae of seed plants presented a diversified and complicated composition,which dominantly consists of temperate plants (numbering 250 temperate genera and accounting for 60.89% of all the genera).Of the plants in the florae of seed plants,the native species of China absolutely dominate,totaling 383 and accounting for 39.32%,so that they become the edifcatoes and dominant species of ofrest and scrub vegetations in mountainous regions of southeast Shanxi province.