Stipule sheaths congested at the ends of the shoots A P. multijuga Cajamarca, Peru B P. reticulata Azuay, Ecuador C P. ochreata Pichincha, Ecuador D, E P. fjeldsaoi Ayacucho, Peru F P. weberbaueri Ancash, Peru G P. subsericans Cusco, Peru. Photographs A, D–F E.G. Urquiaga F. B, C, G T.E. Boza E.