Phaseolus pluriflorus Maréchal, Mascherpa, & Stainier (1978b: 199) [clade A; sect. Minkelersia (Martens & Galeotti) Maréchal, Mascherpa, & Stainier].

TYPE (as Minkelersia multiflora Rose (1897:142): CG Pringle 6471 (LECTOTYPE: US-304095; ISOLECTOTYPES: BM, G, ISC-41284, K, MO-3379357, UC-83969).

A 1–2 m climbing plant from a pluriannual tuberous root, often found among grasses and thickets on lava beds at 1400–2900 m in variously mixed pine-oak woodland.

Specimens: MEXICO. Sinaloa: HS Gentry 6307 (ARIZ-115055). Durango: S González 1803 (ANSM-59324). Nayarit: R Ramírez 944 (MEXU-541169). Jalisco: A Rodríguez-Contreras 28 (IBUG-42761). Guanajuato: A Rivas-Hernández 245 (EBUM-10619). Michoacán: J Espinosa-Garduño 1831 (ENCB). México: A Ventura A. 3289 (MO-3593725). Distrito Federal: E Bourgeau 576 (G). Tlaxcala: M Provance 2947 (UCR-151311). Morelos: JN Rose 7228 (US-450811).