Complex sentence: The majestic araucaria, or monkey puzzle tree, also known locally as pehuén, towers above the other trees; its fruit--the piñón, a type of pine nut--is still a staple food for the indigenous Pehuenches.
Split into simpler sentences: The majestic araucaria, or monkey puzzle tree, also known locally as "pehuén," towers above the other trees. Its fruit--the "piñón," a type of pine nut--is still a staple food for the indigenous Pehuenches.