Palicourea heydei (Standl.) Lorence Palicourea heydei (Standl.) Lorence in Novon 20 (4): 488. 2010 sec. Lorence & Taylor 2012≡Psychotria heydei Standl. in J. Wash. Acad. Sci. 18: 184. 1928 syn. sec. Taylor 2012