Cassia fistula photographed in South Lake Tahoe. (If I have misidentified, please kindly let me know in comments and I will change it.) “{It is} commonly known as golden shower, purging cassia, Indian laburnum, or pudding-pipe tree,” according to Wikipedia. “{It} is a flowering plant in the subfamily, Caesalpinioideae of the legume family, Fabaceae. The species is native to the Indian subcontinent and adjacent regions of Southeast Asia. It ranges from eastward throughout India to Myanmar and Thailand and south to Sri Lanka and southern Pakistan.