Phaseolus parvulus Greene Phaseolus parvulus Greene in Bot. Gaz. 6: 217. 1881 sec. Delgado-Salinas & al. 2006=Alepidocalyx parvulus (Greene) Piper in Contr. U.S. Natl. Herb. 22(9): 672. 1926 syn. sec. Téllez-Valdés 2009