National Flower Series – Thailand – Cassia Fistula

Cassia fistula,(腊肠树) is the national tree of Thailand, and its flower is Thailand’s national flower. It is believed that the the flowers’ yellow color were being associated with the color of Buddhism and the royal family.
It is known as Ratchaphruek, the golden shower tree and other names, is a flowering plant in the family Fabaceae, native to southern Asia, from southern Pakistan east through India to Myanmar and south to Sri Lanka. It is associated with the Mullai region of Sangam landscape. It is a popular ornamental plant and is an herbal medicine.

source: Wikipedia