Monographs Details: Aulomyrcia dichroma O.Berg
Authority: Maguire, Bassett. 1969. The botany of the Guayana Highland-part VIII. Mem. New York Bot. Gard. 18: 1-290.

From the description this is apparently Myrcia guianensis. The type. Rich. Schomburgk 1491, said to have come from the banks of the Moracca River in British Guiana was seen by Berg in the Berlin Herbarium and has presumably been destroyed.