34. Eumachia huallagae (Standl.) C.M. Taylor & Razafim., comb. nov.

Ξ Psychotria huallagae Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 8: 376. 1931 . Ξ Margaritopsis huallagae (Standl.) C.M. Taylor in Syst. Geogr. Pl. 75: 172. 2005 .

Typus: PERU. Loreto: Puerto Arturo, Yurimaguas, lower Río Huallaga, 155-210 m, 20.XI.1929, Llewelyn Williams 5265 (holo-: F-614356; iso-: G [G00305851]!) .

Note. – This species is known from Amazonian Peru, Bolivia, and western Brazil (TAYLOR, 2005) and has also recently been documented in Ecuador (G. Villa & P. Alvia 982, MO).