宜春竹类资源调查及其区系研究

Investigation of Bamboo Resources and Its Flora of Yichun City,Jiangxi Province

通过访问以及典型调查法方式,探清宜春市竹类资源种类和分布。结果表明:①宜春竹类植物有26属201种。其中自然分布竹种有15属62种,新分布种24种,以刚竹属、茶秆竹属、酸竹属、少穗竹属等降水性散生竹占优势。新引进属有11属,共引种140种。②宜春竹类植物区系地理成分较为丰富,东亚(东喜马拉雅—日本)分布类型有13属,占总属数的57.7%,处于绝对优势,其次是中国特有分布属10属,占总属数38.5%。从种的分布来看,华东区系成分最多,其次是华南区系成分,华北和华中区系成分最少。

By accessing and typical survey methods, the species and distribution of bamboo resources in Yichun City were explored. The results showed that： ① There are 201 species of 26 genera bamboo plants in Yichun, of which the natural distribution species has 62 species of 15 genera and new distribution has 24 species, dominant as Phyllostachys, Pseudosasa, Acidosasa, Oligostachyum and other scattered bamboos. The new introduced genus has 11 species, and 140 kinds. ② The floristic composition of bamboo plants are more abundant, East Asia （Eastern Himalayas-Japan） distribution type has 13 genera and accounting for 57.7% of the total number, has the absolute superiority, followed by 10 Chinese endemic genera and accounting for 38.5%. From the distribution of species, the floristic composition of eastern China has the most, followed by the south China, and the north and central China have the least.