Phaseolus zimapanensis A. Delgado (2000: 432) [clade A; sect. Xanthotricha A. Delgado].

TYPE: A Delgado-Salinas 1113 (HOLOTYPE: MEXU n.v.; ISOTYPES: K-651818, NY-1104835) .

A member of the section Xanthotricha with distribution in the central dry highlands of Mexico along the western slope of Sierra Madre Oriental, in oak, pine, pine-oak, cedar forest and mesquite scrub at 900–2400 m.

Specimens: MEXICO. Coahuila: JA Villareal-Quintanilla 3961 (ANSM-37738). Tamaulipas: TF Daniel 307 (MICH-1180184). Nuevo León: DG Debouck 1513 (UC-1716197). San Luís Potosí: OS Fearing 2042 (TEX-273467). Queretaro: UT Waterfall 14114 (IA-111313). Hidalgo: A Frias-Castro 701 (IBUG-182428).