珙桐的观赏要素分析及园林应用形式研究  

A Survey on the Ornamental Characteristics and Applications Forms of Davidia involucrata

作　　者：魏佳佳[1] 牛蓓[2] 张静[1] 余林蔓 陈斯琪[1] 徐莺[1] 

机构地区：[1]四川大学生命科学学院生物资源与生态环境教育部重点实验室,四川成都610064 [2]成都大学医学院,四川成都610106

出　　处：《四川林业科技》2017年第4期46-52,共7页Journal of Sichuan Forestry Science and Technology

基　　金：国家自然科技资源平台项目资助(2005DKA21403)

摘　　要：珙桐(Davidia involucrata)为观赏价值极高的国家Ⅰ级珍稀濒危保护植物,是驰名海内外的园林树种,具有重要的科研价值及应用价值。通过多次分季节实地调查西南地区部分区域珙桐和互联网搜集珙桐的网络图片,研究珙桐个体的观赏要素如体量、形态、色彩、质感等方面。采用统计学分析的方法,对其相关特征进行详细整理分析,比较分析后发现园林绿地中的珙桐冠幅随株高增加横向增长明显,自然生境则表现出纵向生长趋势,并发现其树冠以圆锥形为主,分枝点偏低,树形优美,色彩独特,质感属于中粗型。结合以上分析结果,对其在园林中的应用形式做了比较深入的探讨,期望能够对其园林应用和物种保护有所帮助。Davidia involucrata,the first grade rare and endangered plant at the national level, has highly oranamental value, and is well-known at home and abroad with important scientific value and application value. Throngh field investigations of Davidia involucrata in part of southwest China and searching for pictures of Davidia involucrata in Internet, the ornamental characteristics of Davidia involucrata were discussed from aspects of volume, shape, color and texture. In this paper, analysis was detailedly made of the ralated characteristics of Davidia involucrata in a statistical way, as a result, the horizontal growth of crown increased significantlyalong with the increase of height in landscape gardens and obviously vertical growth in natural habits. In addition, its crown was mostly cone-shaped, with characteristics such as elegant tree- shape,lower branch point, unique color, a bit rough texture. Also, the garden application forms were discussed according the analysis above, which was expected to be helpful for the application of garden and species protection.

关 键 词：珙桐 观赏要素 体量 形态 色彩 质感 园林应用形式 

分 类 号：S685.99[农业科学—观赏园艺]