【作者】 刘丽霞；

【导师】 李景侠；

【作者基本信息】 西北农林科技大学 ， 风景园林（专业学位）， 2016， 硕士

【摘要】 小陇山地处秦岭西段,在甘肃拥有独一无二的地理位置和天然环境,林区野生观赏植物资源和物种多样性丰富。本文通过资料查阅和野外调查分析的方法,从野生观赏植物的种类、习性、观赏特性、园林用途等方面对小陇山野生观赏种子植物资源进行全面的调查研究,可作为小陇山野生观赏植物引种栽培的第一手资料。研究结果如下:(1)据调查分析得出,小陇山分布有野生观赏种子植物77科192属355种。其中裸子植物5科10属23种,被子植物72科182属332种。被子植物中,双子叶植物316种,单子叶植物16种。其中,野生木本观赏植物有331种,占总种数的92%,包含乔木131种、灌木163种和木质藤本37种。小陇山野生草本观赏植物有24种,占总种数的7.6%。(2)小陇山林区野生观赏种子植物按照习性可划分为四类,即观赏藤本植物、观赏草本植物、观赏乔木(含观形、观花、观果)、观赏灌木(含观形、观花、观果等),并剖析和总结出每类观赏植物的观赏性和园林用途。(3)根据园林用途,小陇山野生观赏种子植物可划分为5大类:行道树、庭院树、绿篱植物、花坛植物、攀援地被类。更多还原

【Abstract】 Xiao Long shan located in the west part of Qinling Mountains has unique geographical positionand natural environment. In its forstery area, it has various wild ornamental plants and species.By adopting the methods of going through related materials and field investigation and analysis,the thesis which can be used first-hand information as the introduction and cultivation.makes a comprehensive research on its resourses of wild ornamental plants concering the varieties, habitus, ornamental characteristics landscaping usages.The results are as follows:(1)The analysis showed that there are 77 families 195 categories 355 species among wild ornamental plants in Xiao Long shan.Among the resources,there are 5 families 10 categories and 23 species of gymnosperm,72 families 182 categories 332 species of angiosperm.Among the resourses of angiosperm,there are 316 species of dicotyledon and 16 species of monocotyledon. It has 331 species of wild woody ornamental plants,which occupes 92 percent of the total species,including 131 trees,163 shrubs and 37 woody climber.There are 24 species of wild herbaceous ornamental plants taking up 7.6 percent of the total.(2)The thesis concludes that the wild ornamental seed plants can be divided into the following four categories according to their habitus,namely ornamental vine plants, wild ornamental herb and ornamental trees ornamental shrubs.And it analysed and summaried the ornamental characters and landscape usages of every ornamental plants.(3)The wild ornamental seed plants in Xiao Long shan can be divided into the following five categories according to their landscape use, namely shade trees, garden trees,hedge trees,flower bed plants, climbing plants and cover plants更多还原