Monographs Details: Hevea rigidifolia (Spruce ex Benth.) Müll.Arg.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Description:Distribution and Ecology - Rio Guainia and Rio Uaupes basins. COLOMBIA. Vaupes: Rio Naquieni, vicinity of Cerro Monachi, Jun 1948, Schultes & Lopez 10118, 10122, 10126, 10130 (sterile NY).


Siphonia rigidifolia Benth., Jour. Bot. & Kew Misc. 6: 371. 1854. Type. Prope Panure ad Rio Uaupes, Spruce 2527, Amazonas, Brazil (isotype NY).

Distribution:Colombia South America|