cassia fistula yellow flowers are in full bloom, with brightly colored flower clusters dangling from the branches

cassia fistula yellow flowers full bloom brightly colored flower clusters dangling branches oska scorpion blooms drooping swaying wind hot sunny summer days wonderful relaxing species native indian subcontinent adjacent regions southeast asia official state kerala delhi india popular ornamental plant used herbal medicine green tree branch leaf sunlight nature autumn produce blossom shrub deciduous food light forest