One of the most attractive plants in the garden where we stayed in Languedoc is what I have called the "Bottle Brush Plant". This example is a beautiful shade of red:
I took this shot with the wonderful Micro-Nikkor 60mm f2.8 lens. The flower isn't, of course, actually exploding, but the way the petals emerge from the buds certainly gives that impression. Time-lapse photography would be impressive.