The bunga emas dan perak (lit. "golden and silver flowers", Thai: ต้นไม้เงินต้นไม้ทอง RTGS: ton mai ngoen ton mai thong), often abbreviated to bunga mas (Jawi: بوڠا مس‎ "golden flowers"), was a tribute sent every three years to the king of Ayutthaya (Siam) from its vassal states in the Malay Peninsula, in particular, Kelantan, Kedah, Pattani, Nong Chik, Yala, Rangae,[1] Kubang Pasu and Setul.[2] The tribute consisted of two small trees made of gold and silver, plus costly gifts of weapons, goods and slaves. [3]