九重，阿蘇山系およびその周辺地域におけるミヤマキリシマ（Ｒｈｏｄｏｄｅｎｄｒｏｎ　ｋｉｕｓｉａｎｕｍ　Ｍａｋｉｎｏ）の花器と花色素構成の変異

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 参考文献17件

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タイトル別名
  • Variations in Flower Morphology and Pigments in Rhododendron kiusianum Makino Endemic to Kuju and Aso Mountains and their Surrounding Areas.
  • クジュウ アソサンケイ オヨビ ソノ シュウヘン チイキ ニ オケル ミヤマキリシマ Rhododendron kiusianum Makino ノ カキ ト カシキソ コウセイ ノ ヘンイ

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抄録

The variations in flower morphology and flavonol pigment composition in the petals of Rhododendron kiusianum endemic to Kuju and Aso Mountains and their surrounding areas were investigated. A typical R. kiusianum plant which grows in the Kuju Mountains seems well-adapted to severe climatic conditions, such as alpine temperatures and strong winds, as well as acid soil and the presence of sulfurous acid gas. Although the species is also distributed at the top of Mt. Yufudake and Aso Mountains, the distributional areas of this species are separated from the other crosscompatible azalea species, such as R. kaempferi, by a summergreen forest or an open field, respectively. Flower colors of individuals growing on Mt. Haneyama varied widely, nearly all having prominent blotches on their petals. The composition of flavonols in their petals also ranged widely. From these findings, we conclude that the population at Mt. Haneyama seems to be the result of natural crossing between R. kiusianum and R. kaempferi.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 70 (1), 108-114, 2001

    一般社団法人　園芸学会

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