Research On Resources And Application Of Wild Ornamentl Seed Plant In Xiaolongshan Forest District

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...