Erythrostemon oyamae (Sotuyo & G.P. Lewis) E. Gagnon & G.P. Lewis Erythrostemon oyamae (Sotuyo & G.P. Lewis) E. Gagnon & G.P. Lewis, PhytoKeys 71: 124. 2016 sec. Gagnon & al. 2016≡Caesalpinia oyamae Sotuyo & G.P.Lewis, Brittonia 59: 34. 2007 syn. sec. Gagnon & G.P. Lewis 2016