Queñua bushes (Polylepis tarapacana) and cairn next to ceque line from Cerro Montecielo to Sajama village, Payachatas volcanos in background, Sajama National Park, Bolivia

Polylepis tarapacana is found in the dry central Andean puna regions of Peru, western Bolivia and northern Chile. It has been found at altitudes of 5200m / 17,060ft on the flanks of Sajama volcano, making it the highest growing tree in the world.