Delonix regia is a species of flowering plant in the family Fabaceae, subfamily Caesalpinioideae. It is noted for its fern-like leaves and flamboyant display of flowers. In many tropical parts of the world it is grown as an ornamental tree and in English it is given the name Royal Poinciana or Flamboyant. It is also one of several trees known as Flame tree.
This species was previously placed in the genus Poinciana, named for Phillippe de Longvilliers de Poincy, the 17th century governor of Saint Christophe