The term 'Flowering Tropical Plant' can be summarized by two crossword solutions: SENNA and Canna. SENNA is a genus of flowering plants in the legume family, Fabaceae, native to tropical and subtropical regions throughout the world. Canna is a genus of 10 species of flowering plants, native to tropical and subtropical regions of the Americas. Both genera are popular ornamental plants, grown for their showy foliage and brightly colored flowers.