岳麓山风景区种子植物科的区系研究

Study on the Flora of Families of Seed Plants in Mt. Yuelu Scenic Spot

岳麓山风景区共有野生种子植物555种,隶属于117科、403属,裸子植物2科、2属、2种,被子植物115科、401属、553种。117科可归为9个分布区类型,热带性质的科共有63个,占该区总科数的72.4%,温带性质的科共有24个,占该区总科数的27.6%,显示出岳麓山种子植物区系具有由亚热带向温带过渡的性质。

There are 555 species of wild seed plants belonging to 117 families, 403 genera, 2 families, 2 gene- ra and 2 species of Gymnosperms, 115 families,401 genera and 553 species of angiosperms in Mt. Yuelu Scenic Spot. 117 families in this flora can be classified to 9 areal-types, 63 families are tropic character, 72. 4% of to- tal families, 24 families are temperate character, 27.6% of total families ,which presents the character of trasit- ion from subtropical to warm zone.