Euphorbia colligata V.W. Steinm. Euphorbia colligata V.W. Steinm. in Acta Bot. Mex. 65: 48. 2003 sec. Martínez-Gordillo & al. 2002=Pedilanthus connatus Dressler & Sacamano in Acta Bot. Mex. 18: Fig. 1. 1992 syn. sec. Martínez-Gordillo & al. 2006