A genus Delonix forms part of the subfamily Caesalpinioideae of the pea family Fabaceae. A triad members of the genus come flowering trees, indigen to Madagascar and east Africa. By far a better known in the Royal Poinciana, Delonix regia.

the most common title, Poinciana, comes from either a previous genus title Poinciana, in whichA members of the todays genus Delonix were classified along sustaining plants okay, positioned around genus Caesalpinia.