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タイトル: Morphological and molecular phylogenetic studies of a red alga, Halymenia durvillei, (Halymeniaceae, Halymeniales) from Indo-Pacific
著者: Kawaguchi, Shigeo
Shimada, Satoshi
Abe, Tsuyoshi
Terada, Ryuta
キーワード: Halymeniaceae
Halymenia durvillei
Indo-Pacific
morophology
rbcL gene
Rhodophyta
taxonomy
発行日: 2006年4月28日
出版者: International Coastal Research Center, Ocean Research Institute, the University of Tokyo
掲載誌情報: Coastal marine science. Vol.30No.1, 2006.4, pp. 201-208
抄録: Morphological and molecular phylogenetic studies were made on recently collected Halymenia plants widely from Japan, the Philippines, Indonesia, Malaysia and Thailand. Although the external morphology (branching pattern, blade width, or degree of dentation) was very variable, no special differences were found in their vegetative and reproductive structures. The features are close to Halymenia durvillei. Our rbcL gene sequence analysis has shown that the branched Halymenia plants are all included in a distinct, monophyletic clade, separate from those including the foliose plants. The branched plants studied here are, therefore, concluded to belong in a single species, Halymenia durvillei, irrespective of their great external variations. As Halymenia microcarpa clearly fall within the range of external variations of H. durvillei, it was concluded to be synonymous with H. durvillei. The taxonomic interrelationship among the four varieties (var. formosa, var. ceylanica, var. denudata and var. edentata) remained unresolved, although apprently encompassed within the morphological range of H. durvillei.
URI: http://hdl.handle.net/2261/5633
ISSN: 13493000
出現カテゴリ:Coastal Marine Science
Coastal Marine Science

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