But the National Flower of Thailand isn't purple, it's yellow... The National Flower of Thailand is the Rachapruek = ÃÒª¾Ä¡Éì, know in English as the Golden Shower Tree or Golden Shower Cassia or sometimes the Indian Laburnum. For details of the National Flowers of the ASEAN countries see: http://www.aseansec.org/18203.htm David