Atribución-NoComercial 4.0 InternacionalMennega, Alberta M. W.2019-06-282019-06-281980https://repositorio.unal.edu.co/handle/unal/44357General characters: Hardly any differentiation in sapwood and heartwood. The wood greyish middle brown, with a reddish tinge. On the transverse surface growth rings not visible, the wide rays distinct with the naked eye as lighter coloured stripes. The grain straight, the texture rather fine; very hard and difficult to cut across the grain.General characters: Hardly any differentiation in sapwood and heartwood. The wood greyish middle brown, with a reddish tinge. On the transverse surface growth rings not visible, the wide rays distinct with the naked eye as lighter coloured stripes. The grain straight, the texture rather fine; very hard and difficult to cut across the grain.application/pdfspaDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/Artículo de revistahttp://bdigital.unal.edu.co/34456/info:eu-repo/semantics/openAccessCiencias NaturalesBiologíaPlantasanimalesHistoria NaturalPaleobotánicaPaleozoologíaOrnitologíaFagaceaeTrigonobalanus ExcelsaLithocarpusFagaceaeTrigonobalanus ExcelsaLithocarpus