Growth habit of Polylepis species: tree growth form: A P. microphylla, Chimborazo, Ecuador B P. fjeldsaoi, Lucanas, Peru C P. rugulosa, Moquegua, Perú D P. sacra, Mantanay, Cusco, Peru E P. acomayensis, Paruro, Cusco, Peru F P. pilosissima, Lima, Perú G P. simpsoniae, Cajas, Azuay, Ecuador; shrubby growth form H P. pallidistigma, Azángaro, Puno, Peru I P. tarapacana, Santa Rosa, Puno, Peru J P. microphylla, Chacan, Cusco, Peru. Photographs A E. Bastidas B, C, E E.G. Urquiaga F D, F–I T.E. Boza E.