Monographs Details: Pleurothallis spiculifera Lindl.
Authority: Schweinfurth, Charles. 1967. Orchidaceae of the Guayana Highland. Mem. New York Bot. Gard. 14: 69-214.
Family:Orchidaceae
Description:Distribution and Ecology - BRAZIL. About San Gabriel, in the caatingas, on the bark of trees. Spruce 2302 (type of P. acutissima). BRITISH GUIANA. Anakuru Falls, July 26, 1897, Im Thurn 70. COLOMBIA. Amazonas-Vaupes: Rio Apaporis, Raudal de Jirijirimo (below mouth of Rio Kananari) with quartzite base, about 277 m alt., lat. 0°5'N., long. 70°40'W., epiphyte, flowers pink, November 25, 1951, R. E. Schultes & I. Cabrera 14559; Amazonas: Rio Ricapuyd (tributary of Rio Apaporis below mouth of Rio Piraparand), about 215 m alt., lat. 0°25'S., long. 70°30'W., epiphyte, flowers yellowish with dark red stripes, September 25-26, 1952, Schultes ir Cabrera 17620; Vaupes: along Rio Kuduyari, near Mitii, on trees in area flooded by 10 ft of water, August 12, 1960, L. A. Garay 84. VENEZUELA. Bolivar: near base of Angel Falls, 615-769 m alt., in forest, G. C. K. Dunsterville 541; Chimanta Massif, western side of Apdcara-tepui, 415 m alt., rapids of Rio Apdcara over igneous rock, 14 mile downstream from mouth of Rio Abdcapa to mouth of Rio Apdcara, creeping along moist mossy tree trunk in shade, March 29, 1953, J. A. Steyermark 74678; Chimantd Massif, vicinity of Techine-Merú, along Rio Aparuren, between mouth of Rio Aparuren and Konquen, 470 m alt., on forested slopes along left-hand side (going downstream) of falls, creeping epiphyte on mossy trunk, leaves subcoriaceous, deep green above and paler beneath, sepals spreading, purple, petals narrower, pale lavender, lip maroon-purple, column greenish-white, July 8, 1953, Steyermark 76031; along Rio Chicandn, between Puerto Lema and base of Sierra de Lema, 80 k m (in a straight line) to the southeast of El Dorado, lat. 6°5'N., long. 62 °W., 300 m alt., creeping epiphyte on tree trunk, leaves erect, paler green beneath, flowers rose-orchid, August 30, 1961, Steyermark 89657; Rio Uiri-yuk, La Escalera, 500-600 m alt., epiphyte in montane woodland, flowers purple, August 20, 1962, B. & C. K. Maguire & J. A. Steyermark 46809. Amazonas: near San Carlos on Rio Negro, Spruce 3154 (type of P. spiculifera). TRINIDAD, COLOMBIA and BRAZIL.

Discussion:

Pleurothallis acutissima Lindl., Fol. Orch. Pleurothallis 43, no. 277. 1859.

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