A new generic system for the pantropical Caesalpinia group (Leguminosae) Gagnon, Edeline Bruneau, Anne Hughes, Colin E. de Queiroz, Luciano Paganucci Lewis, Gwilym P. PhytoKeys 2016 2016-10-12 71 1 160 B9D52817-281C-53FB-B0AF-1A89AA4C30CB (G. P. Lewis) E. Gagnon & G. P. Lewis E. Gagnon & G. P. Lewis 2016 E. Gagnon & G. P. Lewis 2016 Magnoliopsida Leguminosae Erythrostemon CoL Plantae Erythrostemon hughesii Fabales 77 78 Tracheophyta species hughesii comb. nov.  Basionym.   Caesalpinia hughesiiG. P. Lewis, Caesalpinia: Revis. Poincianella- Erythrostemongroup: 73. 1998.   Type.   MEXICO, Oaxaca, 5 kmW of Rio Grande, 25 Mar 1989, Lewis et al. 1795( holotypeK!; isotypes FCME!, FHO!, K!, MEXU!). 1989-03-25 MEXICO Rio Grande 1 Oaxaca holotype