This flower goes by many names. Caesalpinia goes by "Mexican Bird of Paradise in our local of Del Rio, Texas on the Mexican border. I grew this in my backyard. Captures and processed in Aperture 3 then added the vignette for effect.
Canon EOS 1D Mark IV with 24-105 EFL lens at 84mm, AP mode at F/10, 1/500 sec at ISO 400