Intraspecific variation and molecular polymorphisms in Japanese Spiranthes sinensis var. australis.

• TSUKAYA Hirokazu

  Department of Biological Sciences, Graduate School of Science, The University of Tokyo National Institute for Basic Biology, National Institutes of Natural Sciences

Bibliographic Information

Other Title

• 日本国内におけるネジバナ(Spiranthes sinensis var. australis)の分子多型と種内変異

Abstract

Summary: In Japan, Spiranthes sinensis Ames var. australis(R. Br. )H. Hara et Kitam. ex Kitam. has been known to show variations in the flowering time and plant size. To evaluate the validity of the seasonally differentiated groups and a dwarf form of the species, which is endemic to Yakushima Island, Japan, molecular variations were examined by analyzing nuclear and plastid DNA loci. As a result, above-mentioned variations were to be treated as the rank of forms. Moreover, some unexpected polymorphisms were found. Namely, Japanese and Malaysian S. sinensis var. australis differed significantly in the DNA sequences, suggesting that this variety may not be one biological species. On the other hand, two major groups were recognized among individuals examined, having geological border in Kyushu Island. These data strongly suggested requirement of re-examination of this species, that is widely distributed in eastern Asia and Australia.

Journal

• PLANT MORPHOLOGY

  PLANT MORPHOLOGY 17 (1), 31-34, 2005

  The Japanese Society of Plant Morphology

Keywords

• dwarf type
• molecular polymorphism
• seasonal differentiation
• Spiranthes sinensis

Details

• CRID: 1390282680334431616
• NII Article ID: 130004303797
• DOI: 10.5685/plmorphol.17.31
• ISSN: 18844154
• ISSN: 09189726
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed