| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
To understand the evolutionary process that coastal plants inhabited inland environments of oceanic islands, which were often observed in many oceanic islands, morphological and phylogenetic analyses were performed in Hibiscus tiliaceus (Malvaceae) in the South Pacific and Bonin (Ogasawara) Islands. Morphological analyses of flowers reviled that the distance between anther and stigma was significantly shorter in inland populations than coastal ones of H. tiliaceus in Marquises Islands. The morphological changes observed in the inland populations should ensure automatic selfing and increase the number of seed sets in poor pollinator fauna in the oceanic islands. Phylogenetic analyses indicated independent origins of H. tiliaceus populations in the Bonin, Tahiti, and Marquises Islands. There were no significant genetic differences between inland and coastal populations of H. tiliaceus in the South Pacific Island, indicating the rapid adaptation into inland habitats.
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