乐清北雁荡山种子植物区系的研究

Studies on the Flora of the North Yandang Mountain in Yueqing

北雁荡山种子植物丰富，共有101科211属280多种。通过对科、属的分布型的分析，结果说明：（1）本区系的热带、亚热带的特征显著，与华南植物区系有相似性。（2）科、属以单种和寡种为主，说明本区植物区系的多样性。（3）在地理和发生上与世界各部分有着广泛联系。（4）特有植物贫乏。

Plants in Norh Yandang Mountain are very rich. The fiora includes about 101famdies, 210 genera, 280 species. Thedistribufor on pattern of genera and species has heen analysed. The results are summarized as follows:1. The Mistic characters are conspicuous for tropical and subtropical element. There is sore similany of fha hehanNoth Yandang Mountain and Sorth,China.2. The fleristic diversity is shewed by the maiff comoponent of small and monospecific taxa.3. The flora is related with erery part of the world in its geographical and original elements .4. The chinese endemic genes are poor