Distribution : "Wet lowland forest in the Guianas, Amazonian Brazil, Venezuela, Ecuador, Peru, and Bolivia, and in northern Colombia." (C.M. Taylor (2017,
Studies in Tropical Rubiaceae;
GBIF).
Taxonomie : D'après C.M. Taylor (2017,
Studies in Tropical Rubiaceae;
GBIF): "
Eumachia astrellantha is similar to
Eumachia boliviana, and their separation may deserve further study;
Eumachia boliviana is more widely distributed and commonly collected."