Senegalia occidentalis (Rose) Britton & Rose Senegalia occidentalis (Rose) Britton & Rose, N. Amer. Fl. 23: 117. 1928 sec. Seigler 2006≡Acacia occidentalis Rose, Contr. U.S. Natl. Herb. 8: 32. 1903 syn. sec. Seigler 2006