I found this flower in Blue Mountain. It was spread wild in the Charles Darwin walking trail. It mainly grows along the stream in the summer.
It is such a delight to walk in this trail in summer and look at this bright color flowers. Easy to pull out this plant and thus makes it vulnerable. I have moved two to my garden but the flowers are not as bright as the wild ones. I reckon it is the best to let them grow, bloom and die in the wild.