Synonyms for Golden Shower Tree (same or very similar meaning)
WordNet sense 1 (deciduous or semi-evergreen tree having scented sepia to yellow flowers in drooping racemes and pods whose pulp is used medicinally; tropical Asia and Central and South America and Australia):
canafistola, canafistula, Cassia fistula, drumstick tree, pudding pipe tree, purging cassiaFrom the ODE community, based on WordNetadd/edit