Alex, it is not wild orchid. This is simply the common roadside weed, the Common Asystasia, which can be found everywhere in Singapore.
Back to your photo, I find two subjects being focused in your photo, since you titled your shot as a flower shot, I will then find that the sharp young shoot is quite distracting here and trying to draw my attention from the flower to the young shoot.
Just my 2 cents worth, hope you don't mind.