cassia fistula flower, also known as the golden shower or indian laburnum or konna poovu in malayalam

konna poovu indian laburnum cassia fistula golden shower kani green yellow flowers national flower thailand fabaceae state kerala ornamental plant tree floral spring kanikonna leaves bloomed vishu festival happy vishukkani hanging year kanikkonna konnappoovu purging pudding pipe malayalam laburnum called malayalam ritual importance