The bunga mas dan perak ( "golden and silver flowers"), often abbreviated to bunga mas (Jawi: "golden flowers"), was a tribute sent every three years to the king of Siam from its vassal states in the Malay Peninsula, in particular, Terengganu, Kelantan, Kedah and the Patani Kingdom. The tribute consisted of two small trees made of gold and silver, plus costly gifts of weapons, goods and slaves.