cassia fistula or golden rain tree or canafistula or ratchaphruek flower.

asia asian background beautiful biology bloom blossom botanic botanical botany bouquet bright bunch canafistula cassia cluster color colorful corolla dok ecology elegance fistula flower garden gold golden herb herbal interesting khoun konnapoo koon medicine national nature ornamental outdoor outstanding park pendant plant rain ratchaphruek shower southeast sunlight thailand tree tropical yellow