Monographs Details: Byrsonima chalcophylla var. carraoana (Steyerm.) W.R.Anderson
Authority: Maguire, Bassett. 1978. The botany of the Guayana Highland--part XI. Mem. New York Bot. Gard. 32: 1-391.
Description:Distribution and Ecology - Distribution. Forests of eastern Bolívar and western Guyana. VENEZUELA. Bolívar: Km 133 S of El Dorado, 1300 m, forest near savanna. Gentry et al 10563 (MICH); forested slopes, W part of Abacapa-tepuf, Chimanta Massif, 1300 m, Steyermark 75175 (NY); elfin forest, Apacara-tepui, 2000 m, Steyermark 75741 (NY); moist mossy recumbent forest, Auyan-tepui, 1660 m, Steyermark 93807 (NY, VEN); dwarf forest between Luepa and Cerro Venamo, 1200 m, Steyermark & Nilsson 301 (VEN); rocky slopes of zanjon bordering Upper FaHs of Rio Tirica, Central Section, Chimanta Massif, 1950 m, Steyermark & Wurdack 504 (MICH, NY, VEN); bosque muscoso enano montaiioso, Cerro Venamo, 1400-1450 m, Steyermark et al 92501 (F, NY, VEN); selva enana en la altiplanicie del suelo arenoso bianco, drenaje de Río Cuyunf, Km 130-131 al sur de El Dorado, 1290-1300 m, Steyermark et al 104521 (NY, VEN). GUYANA. Upper Mazaruni River basin, Mt. Ayanganna, low scrub, scrub, and low forest (8-10 m) on shoulder of E flank, above Thompson Camp 1418-1525 m, Tillett et al 45072 (K, MICH, NY, US).CoHected in flower and fruit most frequendy from November to June.

Discussion:29b. Byrsonima chalcophylla var carraoana (Steyermark) Anderson, comb et stat nov Figs 16m & 22c-f. Byrsonima carraoana Steyermark, Fieldiana Bot. 28(2): 287. 1952. Type. Steyermark 60883, Carrao-tepui, Bolivar, Venezuela, 2470-2500 m, Dec flr/frt (holotype F! isotypes NY! VEN!). Byrsonima bolivarana Steyermark, Fieldiana Bot. 28(2): 287. 1952. Type. Steyermark 60272, mesa between Ptari-tepui and Sororopan-tepui, Bolivar, Venezuela, 1615 m, Nov flr/frt (holotype F! isotypes NY! US!).
Distribution:Venezuela South America| Guyana South America|