Erythrina crista-galli
[Cockscomb, Cockspur Coral Tree, Cry-baby Tree]

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There is a very similar looking plant called Erythrina fusa (sym. Erythrina glauca). Even after some searches, I still cannot figure out the distinctive differences between the two plants. In the 2 references above, one of them indicated the plant as E. crista-galli while the other one indicate it as E. glauca. For the time being, I will leave it as E. crista-galli.