Koelreuteria elegans (Seem.) A.C. Sm.

Koelreuteria elegans (Seem.) A.C. Sm.. Koelreuteria elegans, more commonly known as flamegold rain tree, is a deciduous tree 15–17 metres tall. There are currently two subspecies under this taxa, i.e., K. elegans ssp. elegans, which is endemic to Fiji, and K. elegans ssp. formosana, which is endemic to Taiwan. The subspecies formosana, commonly known as Taiwanese golden rain tree, is widely grown throughout the tropics and sub-tropical parts of the world as a street tree.