Polylepis humboldtii T.Boza, K. Romol. & M.Kessler A flowering branch B upper leaflet surface C lower leaflet surface D bark E flowers (A–E Romoleroux et al. 6199). Scale bars: 3 cm (A); 1 cm (B, C); 3 mm (E). Photographs A, D T. E. Boza E. B, C, E E. Bastidas.