昆明市桂花品种资源调查

昆明气候特殊,近几年城市扩展迅猛,新增绿地较多,因此,重新调查昆明市区的桂花品种,发掘具有本土特色品种工作尤为重要。依据向其柏、臧德奎的桂花品种分类检索表,对昆明市五城区的桂花品种资源进行调查,共鉴定出59个桂花品种,其中四季桂品种群7个,银桂品种群29个,金桂品种群16个,丹桂品种群7个,包括疑似新品种10个(新记载8个,翟丽丽记载2个,均为银桂品种)。编制了各品种群的分类检索表,描述了8个疑似新品种形态特征,并总结了昆明市区桂花品种资源特点。

Study on cultivar classification of Osmanthus fragrans in Kunming City

With the rapid urban expansion and adding plenty of urban greenbelt in recent years,and the special climate in Kunming,the reinvestigation of Osmanthus fragrans cultivars and the exploitation of local characteristics of O. fragrans is extremely significant in Kunming City. According to the classification keys of XIANG Qibai and ZANG Dekui,the in﹣vestigation and classification of O. fragrans in Kunming City urban area was carried out. 59 cultivars were recognized,in﹣cluding 7 cultivars in Asiaticus Group,29 in Albus Group,16 in Luteus Group,7 in Aurantiacus Group. Among all these cultivars,8 new cultivars and 2 cultivars of ZHAI Lili’s investigation were identified,and these 10 cultivars are in Albus Group. The keys of cultivar identification were compiled. Morphological characteristics of 8 new cultivars are de﹣scribed and the characteristics of O. fragrans cultivar resources in Kunming were summarized.