A genus in the pea family, Fabaceae, with about 14 evergreen or deciduous tree species, a majority of which are endemic to Madagascar. Leaves are bipinnate with many leaflets. Flowers are red-scarlet or white with 5 petals and the fruit is a flattened pod. The best known species is Delonix regia, Royal Poinciana.
Delonix: from the Greek, delos, evident, conspicuous, and onux, a claw, a reference to the long-clawed petals