Monographs Details: Bactris setulosa H.Karst.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Arecaceae
Description:Distribution and Ecology - Distribution. From eastern Colombia to Venezuela and Trinidad in montane forests at middle elevations, about 500-1500 m alt, of the Andes, the Coastal Range in Venezuela, and the western part of the Guayana Highlands. VENEZUELA. Edo Bolivar: Cerro El Picacho, 45 km N of Tumeremo, Altiplanicie de Nuria, alt 600-650 m, Steyermark 89171 (NY, VEN); Edo Bolivar, Cabeceras de Rio Chicanan, 80 km al suroeste de El Dorado, alt 700 m, Steyermark 61039 (VEN); Edo Bolivar, Cerro Venamo, cerca de los limites con la Guayana Inglesa, alt 1400 m, Steyermark & Dunsterville 92478 (VEN).

Discussion:

Type. Karsten sn, Venezuela, Cumbre de Valencia b. Pt. Cabello (LE).

Original material of Bactris setulosa, consisting of a leaf-fragment, a rachilla, and fruits, could be studied at Leningrad. This material matches the Guayana Highland specimens very well which are considered to be conspecific. The area of the species extends to Trinidad: B. cuesa and B. circularis are mere synonyms and belong here. The last-mentioned was separated mainly because its short-armed internodes alternating with the smooth greyish leaf-scars, a feature of the immature stem just below the crown which does not indicate a specific difference. The separation of B. bergantina based on characters like “minutely buff-brown furfuraceous nerves of the lower surface” of the pinnae, “the flattened or nearly flattened spines on the rachis of the petiole,” etc., is not worthwhile in my opinion either.

Distribution:Colombia South America| Venezuela South America| Trinidad and Tobago South America| Guyana South America|