广西爬树蕨属两种植物的细胞分类学研究

王任翔<sup>1; 2</sup>; 刘 灵<sup>1; 2</sup>; 邵 文<sup>3</sup>; 刘 静<sup>1</sup>; 邓晰朝<sup>4</sup>

引用本文:	王任翔, 刘灵, 邵文, 刘静, 邓晰朝.广西爬树蕨属两种植物的细胞分类学研究[J].广西植物,2013,(6):723-726.[点击复制]
	WANG Ren-Xiang, LIU Ling, SHAO Wen, LIU Jing, DENG Xi-Chao.Cytotaxonomic study on two species of the Arthropteris from Guangxi, China[J].Guihaia,2013,(6):723-726.[点击复制]

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广西爬树蕨属两种植物的细胞分类学研究
王任翔^1,2, 刘灵^1,2, 邵文³, 刘静¹, 邓晰朝⁴
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;4.5. 河池学院化学与生命科学系, 广西宜州 546300

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。

关键词: 广西爬树蕨属染色体数目细胞分类学繁殖方式

DOI：10.3969/j.issn.1000-3142.2013.06.001

分类号:Q944

基金项目:

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

WANG Ren-Xiang^1,2, LIU Ling^1,2, SHAO Wen³, LIU Jing¹, DENG Xi-Chao⁴

1. College of Life Sciences, Guangxi Normal University, Guilin 541004, China;2. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi Normal University), Ministry of Education, Guilin 541004, China;3. Shanghai Chenshan Plant Science Research Center, CAS, Shanghai 201602, China;4. Departerment of Chemistry and Life Science Hechi University, Yizhou 546300, China

Abstract:

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.

Key words: Guangxi Arthropteris chromosome number cytotaxonomy reproductive mode