This firebush may be another one of those Florida Keys garden escapes. But even if, then it has made the full circle. Firebush is native in the southern half of Florida then south to Argentina. It has become popular with gardeners around the tropical world. You might see it in any shade from yellow to red. The flowers vary in length, apparently to attract different pollinators. Monroe Co FL, 1/26/13. Madder family, Rubiaceae.