广西桂花品种资源与园林利用调查

Investigation on the Cultivar Resources of Osmanthus fragrans and Its Landscaping Application in Guangxi

对广西桂花资源进行了调查总结,初步确定广西有43个桂花品种,分属于4个品种群,包括四季桂品种群3个、银桂品种群21个、金桂品种群14个、丹桂品种群5个,其中新确定和新记录桂花品种26个;描述了王城银桂、七星银桂、漓江之波、金莲、贵妃红、南溪丹桂6个优良品种的特征及桂花在广西园林绿化中的应用方式;介绍了广西的六大赏桂胜地。

With a long history of cultivation of Osmanthus fragrans, Guangxi Zhuangzu Autonomy Region is rich in Osmanthus fragrans cultivars resource. Osmanthus fragrans is the city-flower of Guangxi. In order to find out the status of Osmanthus fragrans cultivar resources in Guangxi, the author conducted a detailed investigation in this area. With the field-work and related references, the distributing situation in this area includes main distribution, common distribution and scatter distribution. To standard trees of Oarnanthus fragrans are chosen and 100 specimens are collected. All morphological characters of each cultivar are observed and recorded in detail. Osmanthus fragrans cultivar and distribution in Guangxi are made clear by the investigation. There are 43 cultivars of Osmanthus fragrans , which belong to four cultivars groups. There are 3 cultivars in Siji Group, 21 cultivars in Albus Group, 14 cultivars in Luteus Group, 5 cultivars in Arautiacus Group. Among these cultivars, 26 of them are new cultivars confirmed and recorded. The author introduces the characters of six excellent cultivars, there are ' Wangchengyin ', ' Qixingyin ', ' Lijiangzhibo', 'Jinlian', 'Guifeihong', 'Nanxidan'. This paper also introduces the application of Osmanthus fragrans in landscape of Guangxi. And the author also summarizes six sightseeing spots of Osmanthus fragrans in Guangxi.