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陕西地处亚热带和暖温带的过渡带上,地域辽阔,南北狭长,地貌和气候条件复杂,在植物区系上处于中国—日本森林植物亚区与中国—喜马拉雅森林植物亚区的交汇地区,因而植被类型丰富多彩,由北向南有干草原,暖温带落叶阔叶林和亚热带常绿落叶阔叶混交林等不同类型;植物种类繁多,南部的秦巴山区植物资源尤为丰富,孕育和分化出很多特有植物。搜集发掘特有木本植物,不仅可丰富陕西的树木资源,而且对研究本省的木本植物区系及森林的类型和生态地理都具有参考价值。
Located on the transitional zone between subtropical zone and warm temperate zone, Shaanxi is characterized by a vast territory with a long north-south slope and complicated landform and climatic conditions. Shaanxi is located in the intersection of China-Japan Forest Plant Sub-region and China-Himalayan Forest Plant Sub-region, thus Vegetation types are rich and colorful, ranging from north to south steppe, warm temperate deciduous broad-leaved forest and subtropical evergreen and deciduous broad-leaved mixed forest and other different types; a wide range of plant species, plant resources in the southern Qinling Mountains is particularly rich in gestational and differentiation of many Endemic plant Collecting and excavating endemic woody plants not only enriches the tree resources in Shaanxi, but also has reference value for the study of the woody flora and the type of forest and the ecological geography of the province.