甘肃国家重点保护野生植物资源保护利用研究

甘肃省分布27种国家重点保护野生植物资源，其中有国家一级保护植物苏铁银杏、红豆杉、水杉、珙桐、光叶珙桐、独叶草等7种，占国家51种的13．73％，国家二级保护植物岷江柏木、秦岭冷杉、大果云杉、巴山榧树、连香树、油樟、红豆树、野大豆、红椿、鹅掌楸、厚朴、凹叶厚朴、西康玉兰、水曲柳、香果树、瓣鳞花、榉树、水青树、喜树、发菜、虫草等21种，占国家202种的10．4％，研究甘肃本地分布的国家级保护植物的分布特点、生物多样性保护的战略对策、利用价值，为保护和利用提供科学依据。

Protection and utilization of nationally preserved emphasis wild plants in Gansu Province

There are 28 species of nationally preserved wild plants in Gansu Province,Northwestern China. Among them, 7 species ( Cycas revoluta,Ginkgo biloba,Taxus chinensis,Metasequoia glyptos teoboides,Dabidia irvolucrata,Dabidia irvolucrata var. vilmoriaiana ,and Kingdonia uniflora) belong to first class nationally protected plants, accounting for 13.73% the list. The rest 21 species ( Gupressus chengiana,Abies chensiensis,Picea neoveitchii,Tarreya fargesii,Cercidiphyllum japonicum,Cinnamomum longepaniculatum,Ormosia hosimei,Glycine soja,Toona ciliata,Liriodendron chinense,Magnolia officinalis,Magnolia officinalis sub. Biloba,Magnolia wilsonii,Fraximus mandschurica, Emmenopterys henryi,Frankenia pulverulenta,Zelkova schneideriana,Tetracentron sinensis,Camptother acuminata,Nostoc flagelliforme ,and Cardyceps sinensis) , account for 10.40% of the 202 second class nationally protected plant species. The study on biodiversity and distribution of nationally preserved plants in Gansu will provide scientific basis for their protection and utilization.