Distinction in morphology and esterase isozyme between Eupatorium glehni (=E. chinense subsp. sachalinense) and E. chinense var. oppositifolium (compositae)

Takayuki Kawahara, Tetsukazu Yahara, Kuniaki Watanabe

研究成果: Contribution to journalArticle査読

6 被引用数 (Scopus)

抄録

The taxonomic status of Eupatorium chinese var. oppositofolium and E. glehni (=E. chinense subsp. sachalinense) in E. chinense complex semsu Kitamura has long been controversial. In this paper, the degree of divergence between diploids of these two taxa was examined by means of morphological studies including principal component analysis, the electrophoretic analysis of esterase isozyme variation and observations on habitats. The data obtained through the examinations indicate these two taxa are diverged enough to be recognized as distinct biological species. Since the polyploid E. chinense var. oppositifolium is more or less intermediate in morphology between the two diploid taxa, it is considered to have masked the distinction between the two diploid taxa. Also, electrophoretic evidence suggests that polyploid E. chinense var. oppositifolium is not a hybrid or hybrid derivative with E. glehni as a parental species. Possible origin of polyploid E. chinense var oppositifolium is also discussed.

本文言語英語
ページ(範囲)165-179
ページ数15
ジャーナルThe Botanical Magazine Tokyo
102
2
DOI
出版ステータス出版済み - 6 1 1989
外部発表はい

All Science Journal Classification (ASJC) codes

  • 植物科学

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