Synonyms: Diporidium ciliatum (homotypic); Diporidium obovatum; Diporidium rubrum; Discladium chapelieri; Discladium humblotii; Ochna fryeri; Ochna hildebrandtii (heterotypic); Ochna humblotii; Ochna obovata; Ouratea densa; Philomeda obovata (homotypic); Polythecium bakeri; Polythecium baroni; Polythecium ciliatum (homotypic); Polythecium contortum; Polythecium grandidieri; Polythecium hildebrandtii (heterotypic); Polythecium lokobense; Polythecium longipes; Polythecium lucens; Polythecium obovatum; Polythecium richardi; Polythecium rubrum