The two crossword solutions for the term 'Tree with showy flowers' are MAGNOLIA (8 letters) and Poinciana (9 letters). MAGNOLIA is a genus of flowering plants that includes around 80 species native to the eastern United States, Mexico, Central America, and East Asia. Poinciana is a genus of flowering plants in the family Fabaceae, native to Madagascar. It is also known as the Royal Poinciana or Flamboyant due to its showy red-orange flowers.