Citharexylum glabrum (S. Watson) Greenm. Citharexylum glabrum (S. Watson) Greenm. in Proc. Amer. Acad. Arts 32 (16): 300–301. 1897 sec. Peralta 2008=Gonzalea glabra S. Watson in Proc. Amer. Acad. Arts 25: 152. 1890 syn. sec. The Plant List 2013