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- Title
Sargassum boreale sp. nov. (Fucales, Phaeophyceae) from Hokkaido, Japan.
- Authors
Kawai, H.; Yoshida, Tadao; Stiger, Valérie; Horiguchi, Takeo
- Abstract
SUMMARY A new species, Sargassum boreale Yoshida et Horiguchi is described. It belongs to the subgenus Bactrophycus section Teretia, with cylindrical receptacles and is distinct from Sargassum confusum C. Agardh, S. pallidum (Turner) C. Agardh and Sargassum microceratium (Turner) C. Agardh in having a rather elongated stem with smooth surface and distantly issuing main branches, with narrow leaves. The distinction between S. boreale and these species is also revealed by a difference in internal transcribed spacer 2 (ITS-2) sequences. In addition to the base substitutions, the existence of a large gap in S. boreale distinguishes this species from others. Sargassum boreale is distributed around Hokkaido and Saghalien to 50°N latitude. A key to the species of section Teretia is provided.
- Subjects
SARGASSUM; FUCALES; BROWN algae; PLANT classification
- Publication
Phycological Research, 2000, Vol 48, Issue 3, p125
- ISSN
1322-0829
- Publication type
Article