The term African Flower is composed of four crossword solutions: Nile (4 letters), Ixia (4 letters), Aloe (4 letters), and Nile River (9 letters). The Nile is the longest river in Africa, stretching over 4, 000 miles from its source in Burundi to its mouth in Egypt. Ixia is a genus of flowering plants native to South Africa. Aloe is a genus of succulent plants native to Africa, Madagascar, and the Arabian Peninsula. The Nile River is the world's longest river, flowing through 11 countries in northeastern Africa.