Achatocarpus oaxacanus Standl. Achatocarpus oaxacanus Standl., Contr. U.S. Natl. Herb. 23: 264. 1922 sec. Saynes-Vásquez 2011=Achatocarpus pubescens C.H.Wright, Bull. Misc. Inform. Kew 1906(1): 6. 1906 syn. sec. Saynes-Vásquez 2011