異質染色質の変異よりみた日本列島におけるゼンテイカ群の変遷史と分化

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概要

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• The differentiation and history of H. middendorfii complex in Japan is suggested in this paper based on the geographical and ecological variations of the karyology with the C-banding method. Each interstitial C-band occurs in only the specific regions, respectively. The interstitial C-band on the long arm of the fifth pair of chromosomes occurs only in Hokkaido, that on the long arm of the eighth pair of chromosomes occurs only in Mt. Hakusan (2300 m alt.) and Takayama (600 m alt.) of Chubu district, that on the long arm of the ninth pair of chromosomes occurs only in the Kanto and Tohoku districts. The distributional range which each interstitial C-band shows suggests the very important facts on the differentiation and history H. middendorfii complex in Japan. It is inferred that the chromosomes having the interstitial C-bands have been formed by adding the part of the interstitial C-band. The range which the chromosome having each interstitial C-band appears seem to show the area which that has dispersed, and also to be to show the dispersal and migration of H. middendorfii complex in the respective regions since that occurs. The migration from lower cool temperate zone to subalpine zone in H. middendorfii complex seems to be relatively new phenomenon in the history of this species complex in Japan, probably after ice age. Since the eighth pair of chromosomes with the interstitial C-band on the long arm which show the most narrow range occur both in the subalpine zone of Mt. Hakusan and cool temperate zone of Takayama in Gifu Prefecture. Furthermore, the distributional range of each interstitial C-band suggests that the migration from lower cool temperate zone to subalpine zone or the occupations to the various habitats of H. middendorfii complex in Japan seem to occur independently in the respective regions.

• 日本植物分類学会の論文
• 1988-06-25

著者

• 野口 順子

  京都大学理学部植物学教室

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• Biosystematic Studies on the genus Hemerocallis (Liliaceae) : I. Introgressive Hybridization between H. citrina v. vespertina and H. fulva sensu lato
• 異質染色質の変異よりみた日本列島におけるゼンテイカ群の変遷史と分化
• Biosystematic Studies on the Genus Hemerocallis (Liliaceae) : II. Variation in Gross Morphology of the H. fulva Complex with Special Reference to the Identity of H. fulva v. longituba and v. disticha

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