麋鹿苑种子植物区系分析

Studies on the Flora of Milu Park

麋鹿苑种子植物246种(含栽培植物),隶属182属,69科.其中裸子植物3科6属11种,双子叶植物56科132属182种,单子叶植物10科44属53种.麋鹿苑种子植物区系包含15个分布区类型及10个变型,麋鹿苑种子植物属的分布类型中,温带性质的属有46属,占主导地位;除世界分布属及热带分布属,所占比例达57.3%,反映出该苑的种子植物的分布与本地所处的气候带相适应;该苑种子植物世界分布属有33属,占总属数28.1%,也是湿地植被的主要组成或关键属.该苑特有属匮乏(均为栽培种).

There are 246 species of seed plants belongning to 182 generaes and 69 families （including cultivated plants） in Milu Park. Among them, there are 11 species belongning to 3 families and 6 generaes are of gymnosperm and 182 species belongning to 132 generaes and 56 families are of dicotyledon and 53 species belongning to 44 generaes and 10 families are of Monocotyledoe. The flora of Mihl Park can be divided into 15 distribution types and 9 subtypes. In the areal-type of genera of speed plants in Milu Park, except the generaes of Cosmopolitan and the generaes of Tropics, there are 46 generaes is Temperate, the proportion is up to 57.3 %, the type of Temperate is occupying an leading position; it reflects the areal-type of genera of seed plants in Milu Park is suitable for the climatic zone of Milu Park. Because the number of generaes of Cosmopolitan of seed plants is 33, the proportion of total species up to 28.1%, it is the main composition or key-generaes of the wetland vegetation. There are fewer of Chinese endemic genera（all is cultigen）.