Hexasepalum sarmentosum (Sw.) Delprete & J.H. Kirkbr. Hexasepalum sarmentosum (Sw.) Delprete & J.H. Kirkbr. in J. Bot. Res. Inst. Texas 9(1): 105. 2015 sec. POWO 2019=Diodella sarmentosa (Sw.) Bacigalupo & Cabral ex Borhidi in Darwiniana 44(1): 100. 2006 syn. sec. POWO 2019