Poinciana regia Bojer ex Hook.

POWO follows these authorities in synonymising this name:

• Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). 61. Leguminosae Subfamily Caesalpinioideae. Flora Zambesiaca 3(2): 1-218. Royal Botanic Gardens, Kew. [Cited as Delonix regia.]
• Du Puy, D.J., Labat, N.-N., Rabevohitra, R., Villiers, J.-F., Bosser, J. & Moat, J. (2002). The Leguminosae of Madagascar: 1-737. Royal Botanic Gardens, Kew. [Cited as Delonix regia.]
• George, A.S., Orchard, A.E. & Hewson, H.J. (eds.) (1993). Oceanic islands 2. Flora of Australia 50: 1-606. Australian Government Publishing Service, Canberra. [Cited as Delonix regia.]
• Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew. [Cited as Delonix regia.]
• Lepschi, B. & Monro, A. (Project Coordinators) (2014). Australian Plant Census (APC) Council of Heads of Australian Herbaria. http://www.anbg.gov.au/chah/apc/index.html. [Cited as Delonix regia.]
• Lock, J.M. & Ford, C.S. (2004). Legumes of Malesia a Check-List: 1-295. Royal Botanic Gardens, Kew. [Cited as Delonix regia.]
• Lock, J.M. & Heald, J. (1994). Legumes of Indo-China a check-list: 1-164. Royal Botanic Gardens, Kew. [Cited as Delonix regia.]
• Polhill, R.M. (1990). Flore des Mascareignes 80: 1-235. IRD Éditions, MSIRI, RBG-Kew, Paris. [Cited as Delonix regia.]
• Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 10: 1-642. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). [Cited as Delonix regia.]