Cassia Fistula in clear blue sky. national tree of Thailand in summer
Cochlospermum religiosum (silk-cotton tree, buttercup tree) ; Fully flowering after leaf wilted. Showing flower buds & blooming flowers on high tree. Dark yellow petals overlapping into large bouquet.
Handroanthus chrysanthus, known as yellow flower It is an ornamental tree that provides a good mix of colors anywhere
Beautiful Thai yellow flower,cassia fistula flower,Golden Shower Tree
Tabebuia chrysotricha, yellow flowers blossom on blue sky background