Leaf Morphology of the Rheophyte, Rhododendron indicum f. otakumi (Ericaceae)

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概要

• 論文の詳細を見る

• Rhododendron indicum f. otakumi is an endemic rheophyte on Yakushima, Japan. The morphology and anatomy of the leaves of R. indicum f. otakumi and R. indicum f. indicum, its putative ancestor, were examined to determine differences between them. The leaves of f. otakumi are narrower than those of f. indicum, with leaf length to width ratios of 5.10 and 3.38, respectively. Our examination revealed that stenophylly in R. indicum f. otakumi was due to a decrease in the number of cells across the width of the leaf in both the adaxial epidermis and palisade tissues, even though the leaf cells of the epidermis and palisade tissue were larger in R. indicum f. otakumi. The heavy rainfall on Yakushima may have been a factor in the evolution of the narrow leaved form of R. indicum.

• 日本植物分類学会の論文
• 2004-04-26

著者

• Setoguchi H

  Department Of Natural Environment Sciences Faculty Of Integrated Human Studies Kyoto University

• Setoguchi Hiroaki

  Department Of Biology Graduate School Of Human And Environmental Studies Kyoto University

• KAJIMARU GAKU

  Department of Natural Environment Sciences, Faculty of Integrated Human Studies, Kyoto University

• Kajimaru Gaku

  Department Of Natural Environment Sciences Faculty Of Integrated Human Studies Kyoto University

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• Leaf Morphology of the Rheophyte, Rhododendron indicum f. otakumi (Ericaceae)

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