Echites yucatanensis Millsp. Echites yucatanensis Millsp. in Publ. Field Columbian Mus., Bot. Ser. 8(1): 35. 1930 sec. Juárez-Jaimes & al. 2007=Echites elegantulus Woodson in Amer. J. Bot. 22: 686. 1935 syn. sec. The Plant List 2013