The ratchaphruek ( cassia fistula linn ) tree bears beautiful yellow cluster-shaped flower. The thai people regard it's yellow hue as the colour of Buddhism and the colour of glary. Ratchaphruek blooms annually from February to May and symbolizes the unity and harmony of Thai people.
While the flower are blossoming. The tree sheds it's leaves. Leaving only bright yellow flower hanging on its branches. The ratchaphruek is widely known in Thailand and is grown in abundance along the roadsides.