Definitely Hibiscus, the variety I have no idea but i have 1 in the garden
As for Bonsai, i disagree with Bruce. I love them and think they can be stunning. Check out some of them in the asian displays and shows on the web.
Soft wood and bark, easy to wire, Age quickly, Ramify quite well. I defoliate about 5 times a summer as the leaves do not reduce much.
If showing, Defoliate about 2 -4 weeks before so that you have new shoots only for display.
Mine will never flower as they keep getting cut off, but if you wish to have flowers, then look at a larger tree. Mine in the ground and benches tend to flower year round which is nice
Ken
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