Botanical Gardens of Oman

I'm afraid I don't know the name of this flower, but I had the right lens on for some plant portraits, my much underused Tamron 90mm Macro- it's so sharp and produces beautiful blurred backgrounds. This year I'm going to use it more often.
This was taken at a very special trip to the Botanical Gardens of Oman- not many people have visited it as its not finished yet...