40. Eumachia microdon (DC.) Delprete & J.H. Kirkbr. in J. Bot. Res. Inst. Texas 9: 77. 2015 (Fig. 1C).

Ξ Rondeletia microdon DC., Prodr. 4: 408. 1830. Ξ Psychotria microdon (DC.) Urb., Symb. Antill. 9: 539. 1928. Ξ Mapouria microdon (DC.) Bremek. in Recueil Trav. Bot. Néerl. 31: 286. 1934. Ξ Margaritopsis microdon (DC.) C.M. Taylor in Syst. Geogr. Pl. 75: 169. 2005.

Typus: CUBA: “ ad Havanam ”, 1825, de la Ossa s.n. (holo-: G-DC [G00478838]!; iso-: G [G003441703]!) .

= Psychotria cyrilli-nelsonii Ant. Molina in Ceiba 30: 65. 1989 . Typus: HONDURAS. Comayagua: Vado Alto, orilla del río Sulaco, 33 km E y 4 km N de Santa Cruz de Yojoa, 1500 m, 18.II.1981, Nelson et al. 7629 (holo-: TEFH; iso-: MO-3729377!).

Notes. – This species is found throughout the Antilles, from southern Mexico through Central America, across Caribbean Venezuela through the Guianas, and on the Pacific coast of Colombia, Ecuador, and Peru (TAYLOR, 2005). See TAYLOR (2005), LORENCE et al. (2012), and DELPRETE & KIRKBRIDE (2015) for synonymy.