Phaseolus acutifolius A. Gray Phaseolus acutifolius A. Gray, Smithsonian Contr. Knowl. 3(5): 43. 1852 sec. Flora of North America Editorial Comitee 2023=Phaseolus tenuifolius (A. Gray) Wooton & Standl., Contr. U.S. Natl. Herb. 16: 140. 1913 syn. sec. ???