Dictyanthus tuberosus B.L. Rob. Dictyanthus tuberosus B.L. Rob. in Proc. Amer. Acad. Arts 27: 180. 1892 sec. Juárez-Jaimes & al. 2007=Matelea tuberosa (B.L. Rob.) Woodson in Ann. Missouri Bot. Gard. 28: 237. 1941 syn. sec. ???