Strophostyles helvola (L.) Elliott, Sketch Bot. S. Carolina 2(3): 230. 1823 sec. Riley-Hulting & al. 2004
- ≡Phaseolus helvolus L., Sp. Pl. 2: 724. 1753 syn. sec. ???
- =Phaseolus vexillatus Walter, Fl. Carol.: 182. 1788 syn. sec. ???
- =Phaseolus angulosus Ortega, Nov. Rar. Pl. Descr. Dec.: 24. 1797 syn. sec. ???
- =Phaseolus trilobus Michx., Fl. Bor.-Amer. 2: 60. 1803 syn. sec. ???
- =Phaseolus diversifolius Pers., Syn. Pl. [Persoon] 2(2): 296. 1807 syn. sec. ???
- =Phaseolus parabolicus Nutt. ex W.P.C. Barton, Comp. Fl. Philadelph. 2: 81. 1818 syn. sec. ???
- =Phaseolus peduncularis (Muhl.) W.P.C. Barton, Comp. Fl. Philadelph. 2: 81. 1818 syn. sec. ???