Monographs Details: Phyllanthus orinocensis Steyerm.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Description:Distribution and Ecology - Known only from the type locality. Because of lack of flowers and fruits the systematic position remains unclear.


Type. Between Sabana Grande and Base River (Cano Negro) at southeastern base of Cerro Duida, alt 210 m, Terr. Amazonas, Venezuela, 23 Aug 1944, Julian A. Steyermark 57891 (holotype F, photo NY).