Phaseolus viridis Piper Phaseolus viridis Piper in Contr. U.S. Natl. Herb. 22(9): 693. 1926 sec. Delgado-Salinas & al. 2006=Phaseolus longiplacentifer Freytag in Sida Bot. Misc. 23: 121. 2002 syn. sec. ???