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我国是世界木樨属(桂花属O.smanthusLour)分布中心。现代学者在传统分类的基础上,将桂花的若干品种分为金桂、银桂、丹桂、四季桂等4个品种群。日香桂(图1～3)、佛顶珠(图4)、月桂(图5)、四季桂(图6)等属四季桂品种群。该品种群的几种桂花差异如下: 1.开花状态及花期、花香:日香桂除炎夏外,同阶段生长的每一段枝条都具有不同节先后开花的特性(图1)。约占总枝量30％的直立强旺
My country is the world distribution center of the genus Myrmeto (Osmanthus O.smanthusLour). Based on the traditional classification, the modern scholars classify some varieties of Osmanthus fragrans into four varieties: Jingui, Yinui, Tangui and Sijiqu. Japanese sweet maple (Figure 1 ~ 3), Buddha Dingzhu (Figure 4), laurel (Figure 5), Sijiai (Figure 6) and other four sedge Gui species. The species population of several osmanthus differences are as follows: 1. Flowering state and flowering, floral: Di Kui except the summer, with each stage of the growth of branches have the characteristics of different sections have flowering (Figure 1). About 30% of the total branch volume upright strong