Phaseolus salicifolius Piper (1926: 692)

Debouck, D. G., 2021, Phaseolus Beans (Leguminosae: Phaseoleae): A Checklist And Notes On Their Taxonomy And Ecology, Journal of the Botanical Research Institute of Texas 15 (1), pp. 73-111 : 97

Phaseolus salicifolius Piper (1926: 692) [clade B; sect. Paniculati Freytag].

TYPE: J González-Ortega 4065 ( HOLOTYPE: US-1083789 ; isotype: MEXU n.v. ).

A species still considered as endemic (its range seems to be the Sierra Madre Occidental along the border of the state of Sinaloa in pine-oak woodlands at 1300–2500 m, pending on more data ( Fig. 8 ). The author has doubts that the specimen Ed Palmer 142 (K, US-571163) belongs to P. salicifolius (see Delgado-Salinas 1985, p. 215).

Specimens: MEXICO. Durango: DG Debouck 411 (K-1041820). Sinaloa: DE Breedlove 1689 (DUKE-157400).

Figures

FIG.8.Close-upsof flowersof somemembers of thePaniculati: a.P.jaliscanus(R BuhrowM21),b.P.lunatus(DGDebouck 2103),c.P.marechalii (B Schubert 623), d. P.nodosus (R Lépiz 148), e. P.rotundatus (R Lépiz 171) and f. P.salicifolius (R Buhrow M2).