Phaseolus reticulatus Freytag & Debouck (2002: 262) [clade B; sect. Coriacei Freytag].

TYPE: DG Debouck 409 (HOLOTYPE: US-3168878; ISOTYPES: CHAPA n.v., K-642353 and K-642354, M, MICH-1180182 ).

It is a member of the Coriacei with heteroblastic development, lobed leaflets with recurved nervation and variegation, that seems to be endemic of the SW Durango-Sinaloa border. Found in pine-oak grassland at 2000– 2500 m.

Specimens: MEXICO. Durango: M Lavin 5022 (GH), P Tenorio-Lezama 4282 (IEB-79482), P.Tenorio-Lezama 4310 (RSA-506258).