TYPE: Venezuela. Territorio Federal Amazonas: Dept. Río Negro, Cerro Aracamuni, summit, Popa Camp, on moss covered streambank in almost closed forest, 01°26'N, 65°47'W, 1550 m, 16 Oct. 1987. R. Liesner & F. Delascio 21988 (holotype, VEN; isotypes, AMES, MO; illustration of type).