Expansion of the Distribution Range and Pollinators of Canavalia rosea (Fabaceae) in the Ryukyu Archipelago, Japan
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概要
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New localities of Canavalia rosea were found on Okinawa and in the Amami Islands of the Ryukyu Archipelago. The locality on Amami-Oshima marks the northern-most limit of the species in Asia and extends its range approximately 490 km northeastward. At its newly discovered locations, C. rosea is pollinated by female leaf cutter bees and bears fruit. We suspect that the presence of three closely related species of Canavalia with flowers morphologically similar to those of C. rosea is probably one of the main reasons for the visitation by leaf cutter bees to C. rosea in the Ryukyu Archipelago. The female bees exhibited two patterns of behavior during flower visitations and effectively pollinated the flowers of C. rosea only when collecting both pollen and nectar. Pollinators of C. rosea have been reported as being anthopholid bees elsewhere, but are leaf cutter bees in the Ryukyu Archipelago.
- 日本植物分類学会の論文
- 2004-12-10
著者
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Maki M
Division Of Ecology And Evolutionary Biology Graduate School Of Life Sciences Tohoku University
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Maki Masayuki
Division Of Ecology And Evolutionary Biology Graduate School Of Life Science Tohoku University
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Yokoyama J
Division Of Ecology And Evolutionary Biology Graduate School Of Life Sciences Tohoku University
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YOKOYAMA Jun
Division of Ecology and Evolutionary Biology, Graduate School of Life Sciences, Tohoku University
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Maki Masayuki
Graduate School Of Life Sciences Tohoku University
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Yokoyama Jun
Division Of Ecology And Evolutionary Biology Graduate School Of Life Sciences Tohoku University
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Yokoyama Jun
Graduate School Of Life Sciences Tohoku University
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Yokoyama J
Department Of Biology Faculty Of Science Yamagata University
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Tateishi Y
Faculty Of Education University Of The Ryukyus
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MATSUMURA Shun-ichi
Biological Institute, Graduate School of Science, Tohoku University
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TATEISHI YOICHI
College of Education, University of the Ryukyus
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Matsumura Shun-ichi
Biological Institute Graduate School Of Science Tohoku University
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