上海大金山岛种子植物区系的研究

A Study on the Flora of Dajinshan Island in Shanghai, China

上海大金山岛共有野生种子植物 6 1科 110属 145种。植物区系组成复杂、地理成分多样 ;在区系组成、性质和发生上 ,与同纬度的天目山植物区系相比具有很大的相似性 ,表现出与大陆植物区系极为密切的关系 ,并以滨海植物区系丰富、广布性成分增多、热带亲缘特征明显等为特色。

There are 145 species and varieties,110 genera and 61 families of wild seed plants on Dajinshan Island.The floristic composition is complex and geographical components are various,with a greatly close relations to the flora on Mt. Tianmu,nearly the same latitude with Dajinshan Island, in composition,nature and origin.Moreover,it has some notable local distinguishing features as follows.(1)The littoral flora is rather rich.(2) Eurytopic species grow in number. (3) It is closely related to tropical flora.