Natural Hybrid Populations between Chasmogamous and Cleistogamous Species, Ainsliaea faurieana and A. apiculata (Asteraceae; Mutisiae) : Morphology, Cytology, Reproductive Mode and Allozyme Variation
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概要
- 論文の詳細を見る
Ainsliaea apiculata is a cleistogamous perennial. This species occasionally hybridizes with A. faurieana on Yakushima Island, Japan and the hybrids are fertile. A cytological study of these hybrids revealed no irregularity in their male meiosis and the occurrence of genetic segregation through successful reproduction. Allozyme variation provided evidence for segregation through selfing in the hybrids. Observation on pollen grain number showed that these hybrids have cleistogamous flowers in various frequencies. Cleistogamy is dominantly inherited in the hybrids and selfing by cleistogamous flowers is considered to contribute to the formation of hybrid populations.
- 種生物学会の論文
著者
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WATANABE Kuniaki
Department of Biology, Faculty of Science, Kobe University
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Yahara Tetsukazu
Department Of Biology Faculty Of Science Kyushu University
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Yahara Tetsukazu
Department Of Biology University Of Tokyo
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Kadota Hiroshi
Department Of Botany University Of Tokyo
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Watanabe Kuniaki
Department Of Biology Faculty Of Science Kobe University
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Watanabe Kuniaki
Department Of Biololgy Faculty Of Science Kobe University
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Yahara Tetsukazu
Department Of Biology College Of Arts And Sciences The University Of Tokyo
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