It looks like a double hibiscus to me. The trunks of hibiscus are often braided. There are so many hibiscus cultivars it's impossible to tell which one this is.

http://homeguides.sfgate.com/care-instru...

It's an Azalea that has been braided. Some people call it a braided azalea tree.

Looks like an azalea to me:

http://frankottegroup.com/azalea

The braiding thing is done by the grower - to be fancy - it's not natural

I picked up these flowers from the store and they had no name. It has a braided trunk.