Cassia leptophylla

About

Cassia leptophylla is a tropical tree species in the genus Cassia, which is indigenous to Brazil. It is named gold medallion tree and has yellow flowers that bloom intermittently throughout the year, spawning seedpods that are rectangular in cross section and rattle festively. It is recognized by its thin green foliage with glossy green pinnate leaflets. The fruit is a long thin seedpod with four sides.

Summary from Wikipedia