Phaseolus nodosus Freytag & Debouck (2002: 127) [clade B; sect. Paniculati Freytag].

TYPE: R McVaugh 13433 (HOLOTYPE: MICH-1210018) .

A member of the Paniculati with distribution in pine-oak forest of the western part of the Trans-Mexican Volcanic Belt (at 1900–2500 m), also with a striped standard (Fig. 8).

Specimens: MEXICO. Jalisco: A Delgado-Salinas 1181 (IBUG-198016). Colima: R Lépiz-Ildefonso 148 (IBUG-208602).