山东稀有濒危植物的区系特征研究

山东稀有濒危植物有58科、79属、86种(包括国家级17种和省级69种),其中以温带性质的种类为主,但所属科、属的分布区类型说明与热带区系有密切关系。其中中国-日本成分41种,占48.24%;其次为中国特有成分19种,占22.35%;山东特有分布的种类较少。

Study on the Flora Characteristics of Rare and Endangered Plant in Shandong

There were 58 families,79 genera,86 species(including 17 species of the nation grade and 69 species of the province grade)of rare and endangered plants in Shandong Province,and main type of species belonged to temperate zone,but their distribution types of families and genera were closely related to tropical flora.The dominant flora elements were Sino-Japanese(No.of species 41)48.24%,22.35% of them were Endemic to China(No.of species 19),and the elements of endemic to Shandong were little.