| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
We studied the flowering phenology of each of the cyathia in the flowering shoots of 16 taxa and the self-incompatibility of 6 taxa of Euphorbia subg. Esula to reveal the distribution in the phylogeny of multi-cycled synchronous dichogamy and its ecological significance. Multi-cycled synchronous dichogamy was observed in 4 sections in Euphorbia subg. Esula; in 3 of these, we also observed adichogamy. It is suggested that this flowering habit is widely distributed and has been obtained or lost independently at least three times in the subgenus. Various flowering habits were observed among the adichogamous taxa. All of the studied annual or biennial taxa were both adichogamous and self-compatible, suggesting a close relationship between multi-cycled synchronous dichogamy/adichogamy and life history in the subgenus.
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