Eurystyles Wawra Eurystyles Wawra in Oesterr. Bot. Z. 13(1): 223. 1863 sec. Pridgeon & al. 2003=Synanthes Burns-Bal., H. Rob. & Merc. S. Foster in Brittonia 37(1): 158. 1985 syn. sec. Solano Gómez & al. 2020