Definition of "poinciana"

poinciana

noun
plural poincianas
1. A tropical tree, Delonix regia, with bright red flowers, native to Madagascar and now widely cultivated as an ornamental; the royal poinciana or flamboyant.
  Quotations
  [I]n disturbed areas, like East Point, exotic trees like poinciana and "coffee bush" invade the edges.
  1987, Hilary Thompson, Common Birds of the Darwin Area, Winnellie: Sandpiper Productions, page vii
2. A tropical shrub, Caesalpinia pulcherrima, with bright orange-red flowers, originally native to the Americas and now widely cultivated as an ornamental.