植物分类学报

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直立介蕨是假蹄盖蕨属的成员

1王玛丽*, 1 2徐皓, 1郑玲   

  1. 1(西北大学生命科学学院和西部资源生物与现代生物技术教育部重点实验室 西安 710069)
    2(陕西理工学院生物系 陕西汉中 723000)
  • 收稿日期:2004-11-09 修回日期:2005-06-08 出版日期:2006-03-18 发布日期:2006-03-18
  • 通讯作者: 王玛丽 E-mail:maii_wang2000@sina.comlu

Dryoathyrium erectum is a member of the genus Athyriopsis

1WANG Ma-Li*, 1 2XU Hao, 1ZHENG Ling   

  1. 1(College of Life Sciences, and Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of
    Education, Northwest University, Xi’an 710069, China)
    2(Department of Biology, Shaanxi College of Technology, Hanzhong, Shaanxi 723000, China)
  • Received:2004-11-09 Revised:2005-06-08 Online:2006-03-18 Published:2006-03-18
  • Contact: WANG Ma-LiFONT> E-mail:maii_wang2000@sina.comlu

摘要: 对直立介蕨Dryoathyrium erectum

Abstract: In order to determine the taxonomic relationship of Dryoathyrium erectum (Z. R. Wang) W. M. Chu & Z. R. Wang, characters of the fronds, hairiness, sori and spores in Dryoathyrium and Athyriopsis were comparatively investigated. The results have shown that D. erectum has unconspicuous grooves on the frondal rachis and costa, uniseriate articulate hairs on the plant and diplazioid sori. All these characters are present in the genus Athyriopsis but not in the genus Dryoathyrium. The spore morphology of D. erectum is more similar to that in Athyriopsis than in Dryoathyrium. Evidence from the chloroplast trnL-F sequences data also supports the inclusion of D. erectum in Athyriopsis. Therefore, D. erectum should be a member of Athyriopsis, and A. erectum Z. R. Wang is the correct name of this species. Key words Dryoathyrium, Dryoathyrium erectum, Athyriopsis, Athyriopsis erectum, spore morphology, taxonomy.

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