Ratchaphruek, also known as the Golden Shower Tree, is a flowering tree native to Southeast Asia. Its scientific name is Cassia fistula, and it is known for its beautiful, bright yellow flowers that bloom in long clusters. The tree can grow up to 10-20 meters tall and is often found in gardens and parks, providing shade and aesthetic appeal. In Thailand, Ratchaphruek holds cultural significance and is the national tree. It is celebrated during the Ratchaphruek Festival, which showcases the tree's beauty and its importance in Thai culture. The flowers are also associated with the Buddhist tradition, symbolizing purity and enlightenment.