广西爬树蕨属两种植物的细胞分类学研究  

Cytotaxonomic study on two species of the Arthropteris from Guangxi,China

作　　者：王任翔[1,2] 刘灵[1,2] 邵文[3] 刘静[1] 邓晰朝[4] 

机构地区：[1]广西师范大学生命科学学院,广西桂林541004 [2]珍稀濒危动植物生态与环境保护省部共建教育部重点实验室,广西桂林541004 [3]中国科学院上海辰山植物科研中心,上海201602 [4]河池学院化学与生命科学系,广西宜州546300

出　　处：《广西植物》2013年第6期723-726,共4页Guihaia

基　　金：国家自然科学基金(31060030);广西自然科学基金(2011GXNSFA018089);广西教育厅项目(201010LX070)

摘　　要：首次报道了中国广西产两种爬树蕨属植物的染色体数目及繁殖方式。爬树蕨和桂南爬树蕨的染色体数目都是n=40,2n=80(2x);每个孢子囊的孢子数为64,是有性生殖二倍体。结合已有资料对爬树蕨属中的系统位置进行了讨论。The cytotaxonomic study on the two species of Arthropteris from Guangxi,China has been reported in this paper. The chromosome numbers are reported for the first time. The putative reproductive manners were inferred from cytological characters and spore counting. The chromosome numbers were n = 40,2n = 80（ 2x） in A. pallisotii and in A. repens. The reproductive types in A. pallisotii and A. repens were sexual diploid. The systematic significance of chromosome numbers winthin the genus was discussed.

关 键 词：广西 爬树蕨属 染色体数目 细胞分类学 繁殖方式 

分 类 号：Q944[生物学—植物学]